Import Question JSON

Current Question (ID: 7893)

Question:

$\text{A common trend in both groups I and II elements in the periodic table, as the atomic number increases, is:}$

Options:

1. $\text{Oxidizing power increases}$
2. $\text{Atomic radius increases}$ (Correct)
3. $\text{Maximum valency increases}$
4. $\text{Reactivity with water decreases}$

Solution:

$\text{HINT: Group I and II elements are electropositive in nature.}$ $\text{Explanation:}$ $\text{Group I and II elements are reducing agent not oxidising agent. Down the group atomic radii is increases for group I and II elements.}$ $\text{Elements in the same group of the periodic table have the same valency. The valency of an element is related to how many electrons are in the outer shell. So valency remain constant.}$

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
}