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Current Question (ID: 8647)

Question:

$\text{The products obtained on the completion of the following reactions (i) and (ii)}$ $\text{respectively are :}$ $\text{i. }\text{C}_3\text{H}_{8\text{(g)}} + 3\text{H}_2\text{O}_{\text{(g)}} \xrightarrow{\substack{\Delta \\ \text{Catalyst} \\ \text{Heat}}} \text{A}$ $\text{ii. }\text{Zn}_{\text{(s)}} + \text{NaOH}_{\text{(aq)}} \xrightarrow{\text{Heat}} \text{B}$

Options:

1. $\text{A = CO, and H}_2\text{; B = Na}_2\text{ZnO}_2$
2. $\text{A = CO}_2\text{; B = Na}_4\text{ZnO}_4$
3. $\text{A = CH}_3\text{CH}_2\text{CH}_2\text{OH; B= ZnO}$
4. $\text{None of the above}$

Solution:

$\text{Hint: The one of the products is carbon monoxide}$ $\text{The complete reaction is as follows:}$ $\text{i. }\text{C}_3\text{H}_{8\text{(g)}} + 3\text{H}_2\text{O}_{\text{(g)}} \xrightarrow{\substack{\Delta \\ \text{catalyst} \\ \text{heat}}} 3\text{CO}_{\text{(g)}} + 7\text{H}_{2\text{(g)}}$ $\text{ii. }\text{Zn}_{\text{(s)}} + \text{NaOH}_{\text{(aq)}} \xrightarrow{\text{heat}} \text{Na}_2\text{ZnO}_{2\text{(aq)}} + \text{H}_{2\text{(g)}}$

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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
}