Q1 · CSIR NET Chemistry, December 2018
Paper: CSIR NET December 2018 · Subject: Inorganic Chemistry · Chapter: Acid and Bases · Topic: Acid and Bases – General · Marks: 2 · Difficulty: Medium
Consider compounds $\mathrm{PF}_{5}$, $\mathrm{SbF}_{5}$, $\mathrm{PH}_{3}$ and $\mathrm{SbH}_{3}$. The strongest acid and the strongest base among these are, respectively
(a)$\mathrm{PF}_{5}$ and $\mathrm{PH}_{3}$
(b)$\mathrm{SbF}_{5}$ and $\mathrm{PH}_{3}$
(c)$\mathrm{SbF}_{5}$ and $\mathrm{SbH}_{3}$
(d)$\mathrm{PF}_{5}$ and $\mathrm{SbH}_{3}$
Answer
Answer (as printed): B
Explanation
SbF5 is strongest acid and PH3 is strongest base. CSIR JUNE 2019
Explanation as extracted from the printed page; notation may be imperfect.
Study loop for Acid and Bases