pBlock ElementsII - Result Question 148
####36. Which one of the following is the strongest base? $(1989,2 M)$
(a) $AsH _3$
(b) $NH _3$
(c) $PH _3$
(d) $SbH _3$
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Solution:
- Amongst $X H _3$ where ’ $X$ ’ is group- 15 elements, basic strength decreases from top to bottom. Hence, $NH _3$ is strongest base.
