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Chemistry Question on Halides and Hydrides of alkali

Arrange the following in increasing order of their basic strength :
A. NH3
B. AsNH3
C. PH3
D. BiH3
E. SbH3
Choose the correct answer from the options given below :

A

D<E<A<B<CD < E < A < B < C

B

D<E<B<C<AD < E < B < C < A

C

A<C<B<D<EA < C < B < D < E

D

A<C<B<E<DA < C < B < E < D

Answer

D<E<B<C<AD < E < B < C < A

Explanation

Solution

The correct option is (B) :D<E<B<C<AD < E < B < C < A.