Import Question JSON

Current Question (ID: 21220)

Question:

$0.5 \text{ gram of an organic compound gives } 0.4 \text{ gram of dry AgBr ppt.}$ $\text{The percentage of Br in the given organic compound is:}$ $[\text{At. Wt. of Ag}=108, \text{At. Wt. of Br}=80]$

Options:

1. 45 \%
2. 34 \%
3. 25 \%
4. 52 \%

Solution:

$Wt. \text{ of AgBr} = 0.4 \text{ g}$ $Wt. \text{ of AgBr} = \frac{0.4}{188}$ $Wt. \text{ of Br} = \frac{0.4}{188} \times 80 \text{ g}$ $\% \text{ of Br} = \frac{0.4}{188} \times \frac{80}{0.5} \times 100 = 34\%$

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
}