Assertion (A): The bond angles of the hydrides decreases in the order

Question

Assertion (A): The bond angles of the hydrides decreases in the order $N H_{3} > P H_{3} > A s H_{3} > S b H_{3} > B i H_{3}$ .

Reason (R): The Lewis basic strength of the hydrides increases in the order $N H_{3} < P H_{3} < A s H_{3} < S b H_{3}$ .

Smart Achievers · Accepted Answer

(3)

$N H_{3} > P H_{3} > A s H_{3} > S b H_{3}$ : Lewis basic structure

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