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A,B and C are three elements forming a c...

A,B and C are three elements forming a compound in which their oxidation state are +2,+5, and -2 respectively. Which could not be the formula of compound?

A

`A_(2)(BC)_(2)`

B

`A_(2)(BC_(4))_(3)`

C

`A_(3)(BC_(4))_(2)`

D

ABC

Text Solution

Verified by Experts

The correct Answer is:
C
Putting values of O.S. of A, B and C in all the given compounds , the compound giving sum of O.S. as zero will be the real compound. For `A_(3)(BC_(4))_(2)`
`(+2)xx3+2xx[+5+4xx(-2)]`
`=6+2xx[-3]=6-6=0`
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