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Current Question (ID: 21173)

Question:

$\text{Consider the given reaction:}$ $\text{H}_2(\text{g}) + \text{I}_2(\text{g}) \rightleftharpoons 2\text{HI}(\text{g})$ $\text{If initially only H}_2 \text{ and I}_2 \text{ are present, which graph correctly predicts the attainment of equilibrium?}$

Options:

1. $\text{Graph 1: Molar conc. vs Time with I}_2, \text{H}_2, \text{HI}$
2. $\text{Graph 2: Molar conc. vs Time with H}_2, \text{I}_2, \text{HI}$
3. $\text{Graph 3: Molar conc. vs Time with H}_2, \text{I}_2, \text{HI}$
4. $\text{Graph 4: Molar conc. vs Time with H}_2, \text{I}_2, \text{HI}$

Solution:

$\text{Hint: The concentration of the reactant decreases until equilibrium is reached.}$ $\text{H}_2 + \text{I}_2 \rightleftharpoons 2\text{HI}$ $\text{Concentration of H}_2 \text{ and I}_2 \text{ decreases until equilibrium condition and concentration of HI increases till equilibrium condition and after equilibrium concentration of all the reactant and products remain constant}$

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
}