Subject: Inorganic Chemistry · Chapter: Acids and Bases · Topic: Acid and Bases – General · Exam: CSIR-NET DEC 2018 · 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
$\mathrm{SbF_5}$ is strongest acid and $\mathrm{PH_3}$ is strongest base.