MCQ
Which is least stable
- ✓$Bi{H_3}$
- B$Sb{H_3}$
- C$As{H_3}$
- D$P{H_3}$
✓
Answer
Correct option: A.
$Bi{H_3}$
a
(a) $P{H_3} > As{H_3} > Sb{H_3} > Bi{H_3}$
(a) $P{H_3} > As{H_3} > Sb{H_3} > Bi{H_3}$
On moving down the group bond energy decreases. Hence, stability decreases.
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