Q40 · CSIR-NET Chemistry, June 2014

Paper: CSIR-NET June 2014 · Subject: Inorganic Chemistry · Chapter: Main Group Elements · Topic: Main Group Elements – General · Marks: 2 · Difficulty: Easy

Reactions of elemental as with hot and conc. $\mathrm{HNO}_{3}$, and $\mathrm{H}_{2} \mathrm{SO}_{4}$ respectively, give
(a)$\mathrm{As}_{4} \mathrm{O}_{6}$ and $\mathrm{As}_{2}\left(\mathrm{SO}_{4}\right)_{3}$
(b)$\mathrm{As}\left(\mathrm{NO}_{3}\right)_{5}$ and $\mathrm{As}_{2}(\mathrm{SO})_{3}$
(c)$\mathrm{As}_{4} \mathrm{O}_{6}$ and $\mathrm{H}_{3} \mathrm{AsO}_{4}$
(d)$\mathrm{H}_{3} \mathrm{AsO}_{4}$ and $\mathrm{As}_{4} \mathrm{O}_{6}$
Answer
Answer: D ✓ checked by 4AB · confidence high
Explanation
Hot HNO₃ gives H₃AsO₄; hot H₂SO₄ gives As₄O₆ (d).

Study loop for Main Group Elements

1. Practise the PYQsPrevious-year questions, with answers

· Browse this chapter in the app