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(A) : Thermal stability of VA group hydr...

(A) : Thermal stability of VA group hydrides decreases from `NH_3 " to " BIH_3`
(R) : The bond dissociation energy of M - H bond increases down the group regularly

A

Both (A) and (R) are true and (R) is the correct explanation of (A)

B

Both (A) and (R) are true and (R) is not the correct explanation of (A)

C

(A) is true but (R) is false

D

(A) is false but (R) is true

Text Solution

Verified by Experts

The correct Answer is:
C
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