Q.

Is it true that the chemical formula for zinc phosphate is Zn3(PO4)2?

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a

True

b

False 

answer is A.

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Detailed Solution

The above statement is true.
The oxidation state of Zn is +2 and for phosphate(PO4) is -3. In the criss-cross method, oxidation state of cation is written in subscript of anion and vice versa, irrespective of its charge.  The correct chemical formula for zinc phosphate is Zn3(PO4)2.
 
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Is it true that the chemical formula for zinc phosphate is Zn3(PO4)2?