Import Question JSON

Current Question (ID: 18693)

Question:

$\text{Correct IUPAC name for } \text{H}_2[\text{PtCl}_6] \text{ is:}$

Options:

1. $\text{Hydrogen hexachloroplatinate(IV)}$
2. $\text{Dihydrogen hexachloroplatinate(IV)}$
3. $\text{Hydrogen hexachloroplatinic(IV) acid}$
4. $\text{Hexachloroplatinic(IV) acid}$

Solution:

$\text{It is an acid and not salt. It contains six chlorine ligands and platinum metal in +4 oxidation state.}$ $\text{The oxidation state is written in roman numerals inside parenthesis.}$ $\text{So the correct name is:}$ $\text{H}_2[\text{PtCl}_6] = \text{Hexachloroplatinic(IV) acid}$ $\text{Although it is an anionic complex, ATE word will not be used, because whenever Hydrogen is present, it is treated as acid and the moment H is replaced by any metal, it becomes a salt, ie, HNO}_3 = \text{nitric acid but NaNO}_3 \text{ is sodium nitrate}$

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
}