Question Bank List

Found 200 questions
ID Question Subject Chapter Category Options Answer Actions
8117 161 2 204 Recommended Questions 1, 2... 3 Edit Delete
8116 160 2 204 Recommended Questions 1, 2... 3 Edit Delete
8115 159 2 204 Recommended Questions 1, 2... 4 Edit Delete
8114 158 2 204 Recommended Questions 1, 2... 2 Edit Delete
8113 157 2 204 Recommended Questions 1, 2... 1 Edit Delete
8112 156 2 204 Recommended Questions 1, 2... 1 Edit Delete
8111 155 2 204 Recommended Questions 1, 2... 1 Edit Delete
8110 154 2 204 Recommended Questions 1, 2... 1 Edit Delete
8109 153 2 204 Recommended Questions 1, 2... 4 Edit Delete
8108 152 2 204 Recommended Questions 1, 2... 2 Edit Delete
8107 151 2 204 Recommended Questions 1, 2... 2 Edit Delete
8106 150 2 204 Recommended Questions 1, 2... 3 Edit Delete
8105 149 2 204 Recommended Questions 1, 2... 4 Edit Delete
8104 148 2 204 Recommended Questions 1, 2... 2 Edit Delete
8103 147 2 204 Recommended Questions 1, 2... 4 Edit Delete
8102 146 2 204 Recommended Questions 1, 2... 4 Edit Delete
8101 145 2 204 Recommended Questions 1, 2... 3 Edit Delete
8100 144 2 204 Recommended Questions 1, 2... 3 Edit Delete
8099 143 2 204 Recommended Questions 1, 2... 3 Edit Delete
8098 142 2 204 Recommended Questions 1, 2... 1 Edit Delete
8097 141 2 204 Recommended Questions 1, 2... 3 Edit Delete
8096 140 2 204 Recommended Questions 1, 2... 1 Edit Delete
8095 139 2 204 Recommended Questions 1, 2... 4 Edit Delete
8094 138 2 204 Recommended Questions 1, 2... 1 Edit Delete
8093 137 2 204 Recommended Questions 1, 2... 1 Edit Delete
8092 136 2 204 Recommended Questions 1, 2... 3 Edit Delete
8091 135 2 204 Recommended Questions 1, 2... 4 Edit Delete
8090 134 2 204 Recommended Questions 1, 2... 4 Edit Delete
8089 133 2 204 Recommended Questions 1, 2... 2 Edit Delete
8088 132 2 204 Recommended Questions 1, 2... 1 Edit Delete
8087 131 2 204 Recommended Questions 1, 2... 4 Edit Delete
8086 130 2 204 Recommended Questions 1, 2... 4 Edit Delete
8085 129 2 204 Recommended Questions 1, 2... 4 Edit Delete
8084 128 2 204 Recommended Questions 1, 2... 1 Edit Delete
8083 127 2 204 Recommended Questions 1, 2... 2 Edit Delete
8082 126 2 204 Recommended Questions 1, 2... 1 Edit Delete
8081 125 2 204 Recommended Questions 1, 2... 2 Edit Delete
8080 124 2 204 Recommended Questions 1, 2... 3 Edit Delete
8079 123 2 204 Recommended Questions 1, 2... 2 Edit Delete
8078 122 2 204 Recommended Questions 1, 2... 2 Edit Delete
8077 121 2 204 Recommended Questions 1, 2... 2 Edit Delete
8076 120 2 204 Recommended Questions 1, 2... 3 Edit Delete
8075 119 2 204 Recommended Questions 1, 2... 2 Edit Delete
8074 118 2 204 Recommended Questions 1, 2... 1 Edit Delete
8073 117 2 204 Recommended Questions 1, 2... 4 Edit Delete
8072 116 2 204 Recommended Questions 1, 2... 3 Edit Delete
8071 115 2 204 Recommended Questions 1, 2... 2 Edit Delete
8070 114 2 204 Recommended Questions 1, 2... 3 Edit Delete
8069 113 2 204 Recommended Questions 1, 2... 2 Edit Delete
8068 112 2 204 Recommended Questions 1, 2... 1 Edit Delete
8067 111 2 204 Recommended Questions 1, 2... 1 Edit Delete
8066 110 2 204 Recommended Questions 1, 2... 1 Edit Delete
8065 109 2 204 Recommended Questions 1, 2... 3 Edit Delete
8064 108 2 204 Recommended Questions 1, 2... 3 Edit Delete
8063 107 2 204 Recommended Questions 1, 2... 1 Edit Delete
8062 106 2 204 Recommended Questions 1, 2... 1 Edit Delete
8061 105 2 204 Recommended Questions 1, 2... 4 Edit Delete
8060 104 2 204 Recommended Questions 1, 2... 1 Edit Delete
8059 103 2 204 Recommended Questions 1, 2... 1 Edit Delete
8058 102 2 204 Recommended Questions 1, 2... 2 Edit Delete
8057 101 2 204 Recommended Questions 1, 2... 4 Edit Delete
8056 100 2 204 Recommended Questions 1, 2... 4 Edit Delete
8055 99 2 204 Recommended Questions 1, 2... 3 Edit Delete
8054 98 2 204 Recommended Questions 1, 2... 3 Edit Delete
8053 97 2 204 Recommended Questions 1, 2... 3 Edit Delete
8052 96 2 204 Recommended Questions 1, 2... 1 Edit Delete
8051 95 2 204 Recommended Questions 1, 2... 3 Edit Delete
8050 94 2 204 Recommended Questions 1, 2... 1 Edit Delete
8049 The correct order of electronegativity of hybrid orbitals of carbon is: 2 204 Recommended Questions $sp > sp^2 < sp^3$, $sp > sp^2 > sp^3$... $sp > sp^2 > sp^3$ Edit Delete
8048 A pair of species that have identical shapes is : 2 204 Recommended Questions $\text{NO}_2^+$ and $\text{NO}_2^-$, $\text{PCl}_5$ and $\text{BrF}_5$... $\text{XeF}_4$ and $\text{ICl}_4^-$ Edit Delete
8047 Given the following hydrocarbon: $\text{CH}_3 - \text{C}(\text{CH}_3)_2 - \text{CH} = \text{CH} - \text{CH}(\text{CH}_3) - \text{C} \equiv \text{CH}$ The state of hybridisation of carbons marked 2, 3, 5 and 6 in the following hydrocarbon are, respectively : 2 204 Recommended Questions $\text{sp}$, $\text{sp}^3$, $\text{sp}^2$ and $\text{sp}^3$, $\text{sp}^3$, $\text{sp}^2$, $\text{sp}^2$ and $\text{sp}$... $\text{sp}$, $\text{sp}^3$, $\text{sp}^2$ and $\text{sp}^3$ Edit Delete
8046 Isostructural pair among the following is: 2 204 Recommended Questions $\text{BCl}_3$ and $\text{BrCl}_3$, $\text{NH}_3$ and $\text{NO}_3^-$... $\text{BF}_4^-$ and $\text{NH}_4^+$ Edit Delete
8045 In which of the following molecules/ions $\text{BF}_3$, $\text{NO}_2^-$, $\text{NH}_2^-$ and $\text{H}_2\text{O}$, the central atom is $\text{sp}^2$ hybridized? 2 204 Recommended Questions $\text{NO}_2^-$ and $\text{NH}_2^-$, $\text{NH}_2^-$ and $\text{H}_2\text{O}$... $\text{BF}_3$ and $\text{NO}_2^-$ Edit Delete
8044 $ ext{XeF}_2 \text{ is isostructural with :}$ 2 204 Recommended Questions $ ext{TeF}_2$, $ ext{ICl}_2^{-}$... $ ext{ICl}_2^{-}$ Edit Delete
8043 Among the following molecules/ions $\text{BF}_3$, $\text{NO}_2^-$, $\text{NH}_2^-$, and $\text{H}_2\text{O}$, the central atom is $\text{sp}^2$ hybridized in : 2 204 Recommended Questions $\text{NO}_2^-$ and $\text{NH}_2^-$, $\text{NH}_2^-$ and $\text{H}_2\text{O}$... $\text{BF}_3$ and $\text{NO}_2^-$ Edit Delete
8042 $ ext{XeF}_2$ is isostructural with : 2 204 Recommended Questions $ ext{SbCl}_3$, $ ext{BCl}_3$... $ ext{ICl}_2^{-}$ Edit Delete
8041 The hybridization of nitrogen in $\text{NO}_2^+$, $\text{NO}_3^-$ and $\text{NH}_4^+$ respectively is : 2 204 Recommended Questions $\text{sp}$, $\text{sp}^3$, and $\text{sp}^2$, $\text{sp}$, $\text{sp}^2$, and $\text{sp}^3$... $\text{sp}$, $\text{sp}^2$, and $\text{sp}^3$ Edit Delete
8040 The correct bond angle for $\text{sp}^2$ hybridization is: 2 204 Recommended Questions $90^\circ$, $120^\circ$... $120^\circ$ Edit Delete
8039 The hybridization of orbitals of $\text{N}$ atom in $\text{NO}_3^ -$, $\text{NO}_2^+$, and $\text{NH}_4^+$ are respectively: 2 204 Recommended Questions $\text{sp}$, $\text{sp}^2$, $\text{sp}^3$, $\text{sp}^2$, $\text{sp}$, $\text{sp}^3$... $\text{sp}^2$, $\text{sp}$, $\text{sp}^3$ Edit Delete
8038 The $\text{BF}_3$ is a planar molecule whereas $\text{NF}_3$ is pyramidal because: 2 204 Recommended Questions $\text{B} - \text{F}$ bond is more polar than $\text{N} - \text{F}$ bond., Boron atom is bigger than nitrogen atom.... $\text{BF}_3$ has no lone pair but $\text{NF}_3$ has a lone pair of electrons. Edit Delete
8037 The correct increasing order of bond angles in the following species is: 2 204 Recommended Questions $\text{Cl}_2\text{O} < \text{ClO}_2 < \text{ClO}_2^-$, $\text{ClO}_2^ - < \text{Cl}_2\text{O} < \text{ClO}_2$... $\text{Cl}_2\text{O} < \text{ClO}_2^ - < \text{ClO}_2$ Edit Delete
8036 A molecule having the smallest bond angle among the following is : 2 204 Recommended Questions $\text{SO}_2$, $\text{H}_2\text{O}$... $\text{H}_2\text{S}$ Edit Delete
8035 The molecular geometry that is least likely to result from a trigonal bipyramidal electron geometry is: 2 204 Recommended Questions Trigonal planar, See-saw... Trigonal planar Edit Delete
8034 A molecule or ion that has an unequal bond length is: 2 204 Recommended Questions $\text{SF}_4$, $\text{SiF}_4$... $\text{SF}_4$ Edit Delete
8033 The incorrect statement among the following regarding the molecules of $\text{CH}_4$, $\text{NH}_3$, and $\text{H}_2\text{O}$ is: 2 204 Recommended Questions The $\text{H-O-H}$ bond angle in $\text{H}_2\text{O}$ is larger than the $\text{H-C-H}$ bond angle in $\text{CH}_4$., The $\text{H-O-H}$ bond angle in $\text{H}_2\text{O}$ is smaller than the $\text{H-N-H}$ bond angle in $\text{NH}_3$.... The $\text{H-O-H}$ bond angle in $\text{H}_2\text{O}$ is larger than the $\text{H-C-H}$ bond angle in $\text{CH}_4$. Edit Delete
8032 The molecule having the smallest bond angle is- 2 204 Recommended Questions $\text{PCl}_3$, $\text{NCl}_3$... $\text{SbCl}_3$ Edit Delete
8031 The bond angles of $\text{NH}_3$, $\text{NH}_4^+$ and $\text{NH}_2^-$ are in the order : 2 204 Recommended Questions $\text{NH}_2^- > \text{NH}_3 > \text{NH}_4^+$, $\text{NH}_4^+ > \text{NH}_3 > \text{NH}_2^-$... $\text{NH}_4^+ > \text{NH}_3 > \text{NH}_2^-$ Edit Delete
8030 The correct order of the increasing bond angles in the following triatomic species is: 2 204 Recommended Questions $\text{NO}_2^- < \text{NO}_2^+ < \text{NO}_2$, $\text{NO}_2^- < \text{NO}_2 < \text{NO}_2^+$... $\text{NO}_2^- < \text{NO}_2 < \text{NO}_2^+$ Edit Delete
8029 Correct statement among the following regarding the shape of $\text{HgCl}_2$, $\text{SnCl}_2$ and $\text{F}_2\text{O}$ is: 2 204 Recommended Questions All have a linear shape., $\text{SnCl}_2$ are linear and $\text{HgCl}_2$ is V-shaped.... $\text{HgCl}_2$ is linear while $\text{SnCl}_2$ and $\text{F}_2\text{O}$ are V-shaped. Edit Delete
8028 The shape of $\text{XeF}_3^+$ is: 2 204 Recommended Questions Trigonal planar, Pyramidal... Bent T-shape Edit Delete
8027 Which among the following species has a triangular planar shape? 2 204 Recommended Questions $N_3^{-}$, $NO_3^{-}$... $NO_3^{-}$ Edit Delete
8026 The shape of $AsF_5$ is: 2 204 Recommended Questions Pentagonal bipyramidal., Trigonal bipyramidal.... Trigonal bipyramidal. Edit Delete
8025 The correct relationship for the bond angle of water and dimethyl ether $(\text{CH}_3 - \ddot{\text{O}} - \text{CH}_3)$ is: 2 204 Recommended Questions Water $>$ Dimethyl ether, Dimethyl ether $>$ Water... Dimethyl ether $>$ Water Edit Delete
8024 The compound that has the highest ionic character associated with the X-Cl bond is: 2 204 Recommended Questions $PCl_5$, $BCl_3$... $SiCl_4$ Edit Delete
8023 Which of the following is not a perfect nonpolar molecule? 2 204 Recommended Questions $B_3N_3H_6$, $CCl_4$... $B_3N_3H_6$ Edit Delete
8022 A diatomic molecule has a dipole moment of $1.2 \text{ D}$. If its bond length is equal to $10^{-10} \text{ m}$, then the fraction of an electronic charge on each atom will be: 2 204 Recommended Questions $42\%$, $52\%$... $25\%$ Edit Delete
8021 The correct sequence of the polarity of the following molecule is a. Benzene b. Inorganic Benzene c. $\text{PCl}_3\text{F}_2$ d. $\text{PCl}_2\text{F}_3$ (Where $\text{P=polar, NP=non-polar}$) 2 204 Recommended Questions $\text{a: P, b: NP, c: NP, d: P}$, $\text{a: NP, b: NP, c: NP, d: P}$... $\text{a: NP, b: P, c: NP, d: P}$ Edit Delete
8020 Molecule that has $\mu \text{ (observed)}$ greater than $\mu \text{ (theoretical)}$ is : 2 204 Recommended Questions $\text{CHCl}_3$, $\text{o-dichlorobenzene}$... $\text{o-chlorophenol}$ Edit Delete
8019 Choose the correct option for the following molecule: $\text{Cl} \text{H} \text{C} = \text{C} = \text{C} = \text{C} \text{H} \text{Cl}$ 2 204 Recommended Questions $\text{Non planar}$, $\mu \neq 0$... $\mu = 0$ Edit Delete
8018 A gas that should not be collected over water is- 2 204 Recommended Questions $\text{H}_2$, $\text{N}_2$... $\text{HCl}$ Edit Delete
8017 The set of isomers of $ \text{C}_6\text{H}_4 \text{Cl}_2 $ that have an equal dipole moment with $ \text{C}_6\text{H}_5 \text{Cl} $ & $ \text{C}_6\text{H}_6 $ respectively is : 2 204 Recommended Questions Ortho and Meta, Meta and Para... Meta and Para Edit Delete
8016 The correct order of the dipole moment of the following molecules is : 2 204 Recommended Questions I > II > III, I = II = III... I > II > III Edit Delete
8015 The least polar bond is present in which of the following? 2 204 Recommended Questions $ \text{O}-\text{F} $, $ \text{P}-\text{F} $... $ \text{O}-\text{F} $ Edit Delete
8014 Which of the following species has a zero dipole moment? (i) $ \text{CO}_2 $ (ii) $ \text{COCl}_2 $ (iii) $ \text{CH}_2\text{Cl}_2 $ (iv) $ \text{BCl}_3 $ 2 204 Recommended Questions (i) and (iv), (ii) and (iv)... (i) and (iv) Edit Delete
8013 Which of the following is a polar molecule? 2 204 Recommended Questions $ \text{SF}_4 $, $ \text{SiF}_4 $... $ \text{SF}_4 $ Edit Delete
8012 The molecule among the following having the highest dipole moment is: 2 204 Recommended Questions $ \text{CO}_2 $, $ \text{HI} $... $ \text{H}_2\text{O} $ Edit Delete
8011 The correct order of increasing dipole moment is : 2 204 Recommended Questions $\text{CF}_4 < \text{NH}_3 < \text{NF}_3 < \text{H}_2\text{O}$, $\text{CF}_4 < \text{NH}_3 < \text{H}_2\text{O} < \text{NF}_3$... $\text{CF}_4 < \text{NF}_3 < \text{NH}_3 < \text{H}_2\text{O}$ Edit Delete
8010 Which of the following is a pair of polar molecules? 2 204 Recommended Questions $\text{CO}_2 \text{ and } \text{H}_2\text{O}$, $\text{BF}_3 \text{ and } \text{PCl}_3$... $\text{SO}_2 \text{ and } \text{SCl}_2$ Edit Delete
8009 A molecule among the following with non-zero dipole moment is: 2 204 Recommended Questions $\text{C}_6 \text{Cl}_6$, $\text{C}_2 \text{Cl}_6$... $: \text{CCl}_2$ Edit Delete
8008 The molecule/s that will have non zero dipole moments is /are : 2 204 Recommended Questions 1,2-dichloro benzene., Cis-3-hexene.... All of the above. Edit Delete
8007 Non-Zero dipole moment is shown by : 2 204 Recommended Questions $\text{CO}_2$, p-Dichlorobenzene... Water. Edit Delete
8006 The correct increasing order of the polarizing power of the cationic species $\text{K}^{+}$, $\text{Ca}^{2+}$, $\text{Mg}^{2+}$, $\text{Be}^{2+}$ is: 2 204 Recommended Questions $\text{Be}^{2+} < \text{K}^{+} < \text{Ca}^{2+} < \text{Mg}^{2+}$, $\text{K}^{+} < \text{Ca}^{2+} < \text{Mg}^{2+} < \text{Be}^{2+}$... $\text{K}^{+} < \text{Ca}^{2+} < \text{Mg}^{2+} < \text{Be}^{2+}$ Edit Delete
8005 The correct statement among the following for a compound having a higher dipole moment is- 2 204 Recommended Questions $\text{Greater will the ionic nature.}$, $\text{Lesser will be the polarity.}$... $\text{Greater will the ionic nature.}$ Edit Delete
8004 A molecule among the following that has the maximum dipole moment is: 2 204 Recommended Questions $\text{CO}_2$, $\text{CH}_4$... $\text{NH}_3$ Edit Delete
8003 $\text{H}_2\text{O}$ has a net dipole moment while $\text{BeF}_2$ has zero dipole moment because : 2 204 Recommended Questions $\text{F is more electronegative than oxygen.}$, $\text{Be is more electronegative than oxygen.}$... $\text{BeF}_2 \text{ molecule is linear and } \text{H}_2\text{O is bent.}$ Edit Delete
8002 The application of dipole moment is/are : 2 204 Recommended Questions $\text{It is used to differentiate polar and non-polar bonds.}$, $\text{It is helpful in calculating the percentage ionic character of a molecule.}$... $\text{Both '1' and '2'}$ Edit Delete
8001 Which of the following has a maximum 'Cl-O' bond order? 2 204 Recommended Questions $\text{ClO}_3^{-}$, $\text{ClO}_3$... $\text{ClO}_3$ Edit Delete
8000 The correct order of 'S—O' bond length is: 2 204 Recommended Questions $SO_3^{2-} > SO_4^{2-} > SO_3 > SO_2$, $SO_3^{2-} > SO_4^{2-} > SO_2 > SO_3$... $SO_3^{2-} > SO_4^{2-} > SO_2 > SO_3$ Edit Delete
7999 $H_3PO_3$ can be represented by structures 1 and 2 shown below. These two structures cannot be taken as the canonical forms of the resonance hybrid, because : 2 204 Recommended Questions The positions of the atoms have changed., The positions of the atoms are constant.... The positions of the atoms have changed. Edit Delete
7998 An incorrect statement regarding resonating structures is : 2 204 Recommended Questions The contributing structure must have the same number of unpaired electrons., The contributing structures should have similar energies.... The resonance hybrid should have a higher energy than any of the contributing structures. Edit Delete
7997 The most preferred structure among the following with the lowest energy for $SO_3$ is: 2 204 Recommended Questions $\begin{matrix} :\overset{..}{O} \\ =\underset{..}{S} - \overset{..}{O}: \\ :\overset{..}{O}: \end{matrix}$, $\begin{matrix} :\overset{..}{O} \\ =\underset{..}{S} - \overset{..}{O}:^{-} \\ :\overset{..}{O}:: \end{matrix}$... $\begin{matrix} :\overset{..}{O} \\ =\underset{..}{S} - \overset{..}{O}: \\ :\overset{..}{O}: \end{matrix}$ Edit Delete
7996 $\text{The total number of possible resonance forms for the nitrate ion, } (\text{NO}_3^{-}) \text{ is:}$ 2 204 Recommended Questions $1$, $2$... $1$ Edit Delete
7995 $\text{The number of }\pi \text{ bonds and } \sigma \text{ bonds in the following structure is :}$ 2 204 Recommended Questions $\text{6, 19}$, $\text{4, 20}$... $\text{6, 19}$ Edit Delete
7994 $\text{On the left are given decreasing orders of elements for a certain property and on right side is given the property. The incorrect order for the given properties is:}$ 2 204 Recommended Questions $\text{AlF}_3 > \text{MgO} > \text{MgF}_2 \text{ : Lattice energy}$, $\text{Li} > \text{Na} > \text{Al} > \text{Mg} \text{ : Electron affinity}$... $\text{AlF}_3 > \text{MgO} > \text{MgF}_2 \text{ : Lattice energy}$ Edit Delete
7993 $\text{The incorrect order of lattice energy among the following set is:}$ 2 204 Recommended Questions $\text{AlF}_3 > \text{MgF}_2$, $\text{Li}_3\text{N} > \text{Li}_2\text{O}$... $\text{AlF}_3 > \text{MgF}_2$ Edit Delete
7992 $\text{Which of the following compounds has a higher hydration energy than the lattice energy?}$ 2 204 Recommended Questions $\text{BaSO}_4$, $\text{MgSO}_4$... $\text{BaSO}_4$ Edit Delete
7991 Compounds that have a maximum value of lattice energy among the following, is: 2 204 Recommended Questions $1.\ \text{NaF}$, $2.\ \text{NaCl}$... $1.\ \text{NaF}$ Edit Delete
7990 A Compound with maximum ionic character is formed from: 2 204 Recommended Questions $1.\ \text{Na and I}$, $2.\ \text{Cs and F}$... $2.\ \text{Cs and F}$ Edit Delete
7989 Which of the following pair of elements can form an ionic compound? 2 204 Recommended Questions $1.\ \text{Na and Ca}$, $2.\ \text{K and O}_2$... $2.\ \text{K and O}_2$ Edit Delete
7988 The correct increasing order of ionic character of the following molecule is: $\text{LiF, K}_2\text{O, N}_2\text{, SO}_2\text{, ClF}_3$ 2 204 Recommended Questions $1.\ \text{N}_2 < \text{SO}_2 < \text{ClF}_3 < \text{K}_2\text{O} < \text{LiF}$, $2.\ \text{N}_2 > \text{SO}_2 > \text{ClF}_3 > \text{K}_2\text{O} < \text{LiF}$... $1.\ \text{N}_2 < \text{SO}_2 < \text{ClF}_3 < \text{K}_2\text{O} < \text{LiF}$ Edit Delete
7987 The favourable factors for the formation of an ionic bond would be: 2 204 Recommended Questions $1.\ \text{Low ionization enthalpy, High negative electron gain enthalpy, High lattice energy.}$, $2.\ \text{High ionization enthalpy, High electron gain enthalpy, High lattice energy.}$... $1.\ \text{Low ionization enthalpy, High negative electron gain enthalpy, High lattice energy.}$ Edit Delete
7986 The decreasing order of ionic character of the $\text{N-H}$, $\text{F-H}$, $\text{C-H}$, and $\text{O-H}$, is : 2 204 Recommended Questions $\text{N-H} > \text{F-H} > \text{C-H} > \text{O-H}$, $\text{F-H} > \text{N-H} > \text{C-H} > \text{O-H}$... $\text{F-H} > \text{O-H} > \text{N-H} > \text{C-H}$ Edit Delete
7985 Which of the following atomic orbitals would have the greatest overlap to form the strongest covalent bond? 2 204 Recommended Questions $2s-2s (\sigma)$, $2s-2p (\sigma)$... $2p-2p (\sigma)$ Edit Delete
7984 The following graph captures potential energy on the y-axis for hydrogen gas formation as a function of the internuclear distance on the x-axis: The bond energy of $\text{H}_2$ can be represented by- 2 204 Recommended Questions $(c - a)$, $(b - a)$... $(b - a)$ Edit Delete
7983 Among the following, the maximum covalent character is shown by which compound: 2 204 Recommended Questions $\text{MgCl}_2$, $\text{FeCl}_2$... $\text{AlCl}_3$ Edit Delete
7982 The correct order of covalent bond character among $\text{LiCl}$, $\text{BeCl}_2$, $\text{BCl}_3$ and $\text{CCl}_4$, is: 2 204 Recommended Questions $\text{LiCl} < \text{BeCl}_2 > \text{BCl}_3 > \text{CCl}_4$, $\text{LiCl} > \text{BeCl}_2 < \text{BCl}_3 < \text{CCl}_4$... $\text{LiCl} < \text{BeCl}_2 < \text{BCl}_3 < \text{CCl}_4$ Edit Delete
7981 Most covalent compound among the following is : 2 204 Recommended Questions $\text{AlF}_3$, $\text{AlCl}_3$... $\text{AlI}_3$ Edit Delete
7980 The electronic configurations of the elements $\text{A}$, $\text{B}$, and $\text{C}$ are given below. $\text{A} = 1s^2 2s^2 2p^6$ $\text{B} = 1s^2 2s^2 2p^6 3s^2 3p^3$ $\text{C} = 1s^2 2s^2 2p^6 3s^2 3p^5$ The bond between $\text{B}$ and $\text{C}$ will be : 2 204 Recommended Questions $\text{Ionic.}$, $\text{Covalent.}$... $\text{Covalent.}$ Edit Delete
7979 23 2 204 Recommended Questions 1, 2... 2 Edit Delete
7978 The electronic configurations of the elements $\text{A}$, $\text{B}$, and $\text{C}$ are given below. $\text{A} = 1s^2 2s^2 2p^6$ $\text{B} = 1s^2 2s^2 2p^6 3s^2 3p^3$ $\text{C} = 1s^2 2s^2 2p^6 3s^2 3p^5$ The stable form of $\text{C}$ may be represented by the formula : 2 204 Recommended Questions $\text{C}$, $\text{C}_2$... $\text{C}_2$ Edit Delete
7977 The electronic configurations of the elements $\text{A}$, $\text{B}$, and $\text{C}$ are given below. $\text{A} = 1s^2 2s^2 2p^6$ $\text{B} = 1s^2 2s^2 2p^6 3s^2 3p^3$ $\text{C} = 1s^2 2s^2 2p^6 3s^2 3p^5$ The stable form of $\text{A}$ may be represented by the formula: 2 204 Recommended Questions $\text{A}$, $\text{A}_2$... $\text{A}$ Edit Delete
7976 If the electronic configuration of an element is $1s^2 2s^2 2p^6 3s^2 3p^6 3d^2 4s^2$, the four electrons that participate in the chemical bond formation will be from : 2 204 Recommended Questions $3p^6$, $3p^6, 4s^2$... $3d^2, 4s^2$ Edit Delete
7975 A compound having a metal-to-metal bond is: 2 204 Recommended Questions Cupric chloride, Stannous chloride... Mercurous chloride Edit Delete
7974 The bond length can be defined as - 2 204 Recommended Questions The equilibrium distance between the nuclei of two bonded atoms in a molecule., The farthest distance between the nuclei of two bonded atoms in a molecule.... The equilibrium distance between the nuclei of two bonded atoms in a molecule. Edit Delete
7973 The correct order of $\text{C} - \text{O}$ bond length among $\text{CO}$, $\text{CO}_3^{2-}$, and $\text{CO}_2$ is : 2 204 Recommended Questions $\text{CO}_2 < \text{CO}_3^{2-} < \text{CO}$, $\text{CO} < \text{CO}_3^{2-} < \text{CO}_2$... $\text{CO} < \text{CO}_2 < \text{CO}_3^{2-}$ Edit Delete
7972 When two atoms combine to form a molecule, energy is: 2 204 Recommended Questions Released., Absorbed.... Released. Edit Delete
7971 The number of sigma ($\sigma$) and pi ($\pi$) bonds in pent-2-en-4-yne is: 2 204 Recommended Questions $13\ \sigma$ bonds and no $\pi$ bond., $10\ \sigma$ bonds and $3\ \pi$ bonds.... $10\ \sigma$ bonds and $3\ \pi$ bonds. Edit Delete
7970 A molecule that has a complete octet is: 2 204 Recommended Questions $\text{BeCl}_2(\text{dimer})$, $\text{BeH}_2(\text{dimer})$... $\text{BeCl}_2(\text{s})$ Edit Delete
7969 Compound that is isoelectronic with an adduct of "Diborane and Ammonia" is- 2 204 Recommended Questions Hydrogen peroxide., Diborane (at absolute zero temp.).... Hydrogen peroxide. Edit Delete
7968 Which of the following species deviates from the octet rule? 2 204 Recommended Questions $\text{CO}_3^{2-}$, $\text{H}_2\text{SO}_3$... $\text{H}_2\text{SO}_3$ Edit Delete
7967 In $\text{PO}_4^{3-}$ ion, the formal charge on the oxygen atom of the $\text{P-O}$ bond is: 2 204 Recommended Questions $+1$, $-1$... $-0.75$ Edit Delete
7966 $\text{The set of oxides of nitrogen that are paramagnetic in nature is:}$ 2 204 Recommended Questions $\text{NO}, \text{N}_2\text{O}$, $\text{N}_2\text{O}_3, \text{NO}$... $\text{NO}, \text{NO}_2$ Edit Delete
7965 $\text{Which pair of ions from the following list do not constitute an iso-electronic pair?}$ 2 204 Recommended Questions $\text{Mn}^{2+}, \text{Fe}^{3+}$, $\text{Fe}^{2+}, \text{Mn}^{2+}$... $\text{Fe}^{2+}, \text{Mn}^{2+}$ Edit Delete
7964 $\text{The significance of the octet rule is:}$ 2 204 Recommended Questions $\text{To determine the stability of atoms.}$, $\text{To find the hybridization of elements.}$... $\text{To determine the stability of atoms.}$ Edit Delete
7963 $\text{Which of the following pairs of ions are isoelectronic and isostructural?}$ 2 204 Recommended Questions $\text{CO}_3^{2-}, \text{SO}_3^{2-}$, $\text{ClO}_3^{-}, \text{CO}_3^{2-}$... $\text{ClO}_3^{-}, \text{SO}_3^{2-}$ Edit Delete
7962 $\text{Identify the wrong statement among the following:}$ 2 204 Recommended Questions $\text{Amongst isoelectronic species, the smaller the positive charge on the cation, the smaller the ionic radius.}$, $\text{Amongst isoelectronic species, the greater the negative charge on the anion, the larger is the ionic radius.}$... $\text{Amongst isoelectronic species, the smaller the positive charge on the cation, the smaller the ionic radius.}$ Edit Delete
7961 $\text{Which among the following does not contain a set of isoelectronic species?}$ 2 204 Recommended Questions $\text{SO}_3^{2-}\text{, CO}_3^{2-}\text{, NO}_3^-$, $\text{CN}^-\text{, N}_2\text{, CO}$... $\text{SO}_3^{2-}\text{, CO}_3^{2-}\text{, NO}_3^-$ Edit Delete
7960 $\text{Lewis symbols for the atoms and ions: S and S}^{2-}\text{; Al and Al}^{3+}\text{; H and H}^-\text{ respectively, would be:}$ 2 204 Recommended Questions $\text{S with 6 dots around it; [S with 8 dots around it]}^{2-}\text{; Al}^{3+}\text{; Al with 1 dot; H with 1 dot; [H with 2 dots]}^-$, $\text{S with 6 dots around it; [S with 8 dots around it]}^{2-}\text{; Al with 1 dot; Al}^{3+}\text{; H with 1 dot; [H with 2 dots]}^-$... $\text{S with 6 dots around it; [S with 8 dots around it]}^{2-}\text{; Al}^{3+}\text{; Al with 1 dot; H with 1 dot; [H with 2 dots]}^-$ Edit Delete
7959 $\text{An electron-deficient compound among the following is:}$ 2 204 Recommended Questions $\text{(SiH}_3\text{)}_2$, $\text{(BH}_3\text{)}_2$... $\text{(BH}_3\text{)}_2$ Edit Delete
7958 $\text{The correct Lewis structure of acetic acid is:}$ 2 204 Recommended Questions $\text{H} = \text{C} - \text{C} - \text{O} - \text{H}$ with lone pairs shown as dots, $\text{H} = \text{C} - \text{C} = \text{O} - \text{H}$ with lone pairs shown as dots... $\text{H} - \text{C} - \text{C} = \text{O}:$ with lone pairs shown as dots Edit Delete
7957 $\text{The lone pairs of electrons can be defined as:}$ 2 204 Recommended Questions $\text{Electron pairs that participate in bonding.}$, $\text{Electron pairs that do not participate in bonding.}$... $\text{Electron pairs that do not participate in bonding.}$ Edit Delete
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