Question

Number of electron deficient molecules among the following
$PH_3, B_2H_6, CCl_4, NH_3, LiH$ and $BCl_3$ is

• A. 0
• B. 1
• C. 2
• D. 3

Answer 1

Answer: (C)

2

Answer 2

Only $B_2H_6$ and $BCl_3$ are $e^–$deficient among the given molecules.
So, the correct option is (C): 2.