Paper: CSIR-NET June 2012 · Subject: Inorganic Chemistry · Chapter: Main Group Elements · Topic: Main Group Elements – General · Marks: 2 · Difficulty: Medium
Among the halides, $\mathrm{NCl}_{3}(\mathrm{A}), \mathrm{PCl}_{3}(\mathrm{B})$ and $\mathrm{AsCl}_{3}(\mathrm{C})$, those which produce two different acids.
(a)A and B
(b)A and C
(c)B and C
(d)A, B and C
Answer
Answer: C ✓ checked by 4AB · confidence high
Explanation
PCl₃ → H₃PO₃ + HCl and AsCl₃ → H₃AsO₃ + HCl each give two different acids; NCl₃ hydrolyses the other way, to NH₃ and HOCl. B and C.