Import Question JSON

Current Question (ID: 21550)

Question:

$\text{During the qualitative analysis of } \text{SO}_3^{2-} \text{ using acidified } \text{H}_2\text{SO}_4, \text{ SO}_2 \text{ gas evolved which turns } \text{K}_2\text{Cr}_2\text{O}_7 \text{ solution:}$

Options:

1. $\text{Green}$
2. $\text{Black}$
3. $\text{Blue}$
4. $\text{Red}$

Solution:

$\text{Orange of dichromate solution } \text{K}_2\text{Cr}_2\text{O}_7 \text{ converts to green } \text{Cr}^{3+}$ $\text{Cr}_2\text{O}_7^{2-} + 2\text{SO}_3^{2-} + 8\text{H}^+ \rightarrow 2\text{Cr}^{3+} + 2\text{SO}_4^{2-} + 4\text{H}_2\text{O}$

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
}