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The correct answer among the choices given is option C. The name of this compound is copper(I) phosphide. Phosphate would be PO4. It is a phosphide because from the formula the valence of phosphorus is 3 and copper is 1. Its IUPAC name is Cuprous Phosphide.

Answer:

C

Explanation:


Hello! The correct answer is c".

We can see that in this case the phosphorus uses valence number -3 and copper uses the valence number +1. Three copper atoms are needed to balance the molecule. This nomenclature is called stock.

The compound is a neutral salt. According to the traditional nomenclature called cuprous phosphide

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