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The oxidation number of P in Mg(2)P(2)O(...

The oxidation number of `P` in `Mg_(2)P_(2)O_(7)` is

A

`-3`

B

`+2`

C

`+5`

D

`+3`

Text Solution

Verified by Experts

The correct Answer is:
C
`Mg_(2)P_(2)O_(7)` Oxidation of P
Mg=alkaline earth metal, ON =+2 `therefore 2xx+2 =+4`
Oxygen , ON `=-2xx7=-14`
Phosphorous `=x, ON =x xx 2 , ` Total ON=0
`therefore 0=+4+2x -14 therefore 2x =10 therefore x=+5`
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