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Give the name and formula of the compound formed when a Mn2+ cation combines with a (PO4)3- anion. A. Manganese phosphate: Mn3(PO4)2 B. Magnesium phosphate: Mn2(PO4)3 C. Manganese sulfate: Mn2(PO4)3 D. Magnesium sulfate: Mn3(PO4)2 E. Manganese oxalate: Mn2(PO4)3-

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Answer:

A. Manganese(II) Phosphate Mn3(PO4)2

Explanation: The cation combines with anion through coloumbic forces to form an ionic compound.

The cation combines with anion in the ratio of 3:2 so as to form a neutral and stable compound named as Manganese(II) phosphate.

The IUPAC name of ionic compounds are written as:

First the name of the cation is written with its oxidation state in brackets. Then the name of the anion is written.

The name and formula of the compound formed when a Mn2+ cation combines with a (PO4)3- anion is Manganese(II) Phosphate Mn3(PO4)2. The correct option is A.

What is cation?

The cation combines with anion through electrostatic forces to form an ionic compound.

The cation combines with anion in the ratio of 3:2 and forms a neutral and stable compound named as Manganese(II) phosphate.

According to IUPAC, name of ionic compounds follows:

First the name of the cation is written with its oxidation state in brackets. Then the name of the anion is written.

Thus, the correct option is A.

Learn more about cation.

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