Which of the following contains maximum number of molecules ?

Options

A. 100 cc of `CO_(2)` at STP
B. 150 cc of `N_(2)` at STP
C. 50 cc of` SO_(2)` at STP
D. 150 cc of `O_(2)` at STP

Answer

D

Explanation

200 cc of `NH_(3)` at STP contains maximum number of molecules because `NH_(3)` compound has lowest molecular weight an highest volume than other compounds.