(A) N(3)H exsist but not P(3)H (R ) Ni...

(A) `N_(3)H` exsist but not `P_(3)H`
(R ) Nitrogen can form effective (P-d) `pi` bonds where as phosphorus cannot form such bonds

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

Both (A) and (R ) are false

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The correct Answer is:

3

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