1.

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

Answer»

`A_(3)(BC_(4))_(2)`
`A_(3)(B_(4)C)_(2)`
`ABC_(2)`
`A_(3)(BC_(3))_(2)`

Answer :A


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