A compound contains atoms A, B and C. The oxidation number A is `+2`, of B is `+5` and of C is `-2`. The possible formula of the compound is :

A compound contains atoms A, B and C. the oxidation number of A is +2 , of B is +5 and of C is -2 . The possible formula of the compound is

A compound contains atoms X,Y and Z. the oxidation number of X is +2 , of Y is +5 and of Z is -2 . The possible formula of the compound is

A compound contains atoms X, Y and Z. The oxidation number of X is +3 , Y is +5 and Z is -2 . The possible formula of the compound is

A compound contains atoms X, Y and Z. The oxidation number of X is +3 , Y is +5 and Z is -2 . The possible formula of the compound is

A compound contains atoms X,Y and Z . The oxidation number of X is +2 , Y is +5 and Z is -2 . The possible formula of the compound is

A compound contains atoms X, Y, Z. The oxidation number of X is +2 , Y is +5, and Z is -2. The possible formula of the compound is :

A compound contains three elements A, B and C. If the oxidation number of A = +2 , B = +5 and C = -2 , then the possible formula of the compound is