The charge on cation $M$ is $+ 2$ and anion $A$ is $- 3$ . The compound has the formula :

M A_{2}

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M_{3} A_{2}

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M_{2} A_{3}

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M_{2} A

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Solution

The correct option is C $M_{3} A_{2}$
Cation is $M^{2 +}$ , anion is $A^{3 -}$
Hence, compound is $M^{2 +}$ $A^{3 -}$ .
Applying criss-cross method, compound formed is $M_{3} A_{2}$ .

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Similar questions

In a chemical formula of a diatomic ionic compound, the charge on the anion is -3. Find out the charge on the cation.

If M is a cation of plus 2 and anion -2 wat is the formula of the compound?

C

A

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