Assertion (A) : `NH_(3)` is liquid while the other hydrides V-A group elements are gases at room temp
Reason (R) : `NH_(3)` possess inter molecular H-bonds in liquid state
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 and (R) is false
D. (A) is false but (R) is true
