0.72 gm of an oxide of a metal M on reduction with H_(2) gave 0.64 g of the metal . The atomic weight of the metal is 64 . The empirical formula of the compound is

0.72 gm of an oxide of a metal M on reduction with H_(2) gave 0.64 g o

1.	0.72 gm of an oxide of a metal M on reduction with H_(2) gave 0.64 g of the metal . The atomic weight of the metal is 64 . The empirical formula of the compound is
Answer» MO `M_(2) O` `MO_(2)` `M_(2) O_(3)` ANSWER :B