Import Question JSON

Current Question (ID: 20961)

Question:

$\text{The diamagnetic species that has the shortest bond length among the following is-}$

Options:

1. $\text{N}_2^{2-}$
2. $\text{O}_2$
3. $\text{C}_2^{2-}$
4. $\text{O}_2^{2-}$

Solution:

$\text{Hint: As bond order increases, bond length decreases.}$ $\text{The electronic configuration of the given ions as follows:}$ $\text{C}_2^{2-} = (\sigma_{1s})^2(\sigma^*_{1s})^2(\sigma_{2s})^2(\sigma^*_{2s})^2(\pi_{2p})^4(\sigma_{2p})^2$ $\text{The bond order} = \frac{N_b - N_a}{2}$ $= \frac{10 - 4}{2} = 3$ $\text{The } \text{C}_2^{2-} \text{ is diamagnetic in nature and it bond order is highest.}$ $\text{As bond order increases, bond length decreases}$ $\text{The bond order of } \text{N}_2^{2-} \text{ is 2 and it is paramagnetic in nature.}$ $\text{The bond order of } \text{O}_2 \text{ is 2 and it is paramagnetic in nature.}$ $\text{The bond order of } \text{O}_2^{2-} \text{ IS 1 and diamagnetic in nature.}$

Import JSON File

Upload a JSON file containing LaTeX/MathJax formatted question, options, and solution.

Expected JSON Format:

{
  "question": "The mass of carbon present in 0.5 mole of $\\mathrm{K}_4[\\mathrm{Fe(CN)}_6]$ is:",
  "options": [
    {
      "id": 1,
      "text": "1.8 g"
    },
    {
      "id": 2,
      "text": "18 g"
    },
    {
      "id": 3,
      "text": "3.6 g"
    },
    {
      "id": 4,
      "text": "36 g"
    }
  ],
  "solution": "\\begin{align}\n&\\text{Hint: Mole concept}\\\\\n&1 \\text{ mole of } \\mathrm{K}_4[\\mathrm{Fe(CN)}_6] = 6 \\text{ moles of carbon atom}\\\\\n&0.5 \\text{ mole of } \\mathrm{K}_4[\\mathrm{Fe(CN)}_6] = 6 \\times 0.5 \\text{ mol} = 3 \\text{ mol}\\\\\n&1 \\text{ mol of carbon} = 12 \\text{ g}\\\\\n&3 \\text{ mol carbon} = 12 \\times 3 = 36 \\text{ g}\\\\\n&\\text{Hence, 36 g mass of carbon present in 0.5 mole of } \\mathrm{K}_4[\\mathrm{Fe(CN)}_6].\n\\end{align}",
  "correct_answer": 4
}