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Formula of a metallic oxide is MO. The f...

Formula of a metallic oxide is MO. The formula of its phosphate will be

A

`M_2(PO_4)_2`

B

`M(PO_4)`

C

`M_2PO_4`

D

`M_3(PO_4)_2`

Text Solution

Verified by Experts

The correct Answer is:
D
Formula of metallic oxide ` = MO -= M^(2+) O^(2-)`
So its valency is +2.
Valency of phosphate ion is –3.
So formula of metal phosphate is `M^(2+) PO_4^(3-)` or `M_3 (PO_4)_2`.
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