Import Question JSON

Current Question (ID: 10936)

Question:

$\text{The species that contains only three pairs of electrons among the following is-}$

Options:

1. $\text{Carbocation}$ (Correct)
2. $\text{Carbanion}$
3. $\text{Free radical}$
4. $\text{None of the above}$

Solution:

$\text{Hint: The central carbon atom contains only 6 electrons.}$ $\text{The structures of given species are as follows:}$ $\text{The carbocation contains three pairs of electrons. The carbanion contains four pairs of electrons. The free radical contains 3 pairs of electrons and an unpaired electron.}$ $\text{Key points about carbocation:}$ $\text{• A carbocation is a carbon atom with a positive charge.}$ $\text{• In carbocation, the carbon atom has three bonds.}$ $\text{• Usually, they are unstable and very reactive.}$ $\text{• The reason behind this is the carbocation doesn't fulfil the octet rule, that is it doesn't have eight electrons.}$

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
}