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

Less than 4

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More than 4

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Equal to 4

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Cannot be determined

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Solution

The correct option is C
Equal to 4

According to the rules of chemical formula, the positive and negative charges must balance each other and the overall structure must be neutral.
As the compound is diatomic, it means that there are only one anion and one cation.
So, Valency of anion + Valency of cation = 0
Thus valency of cation = 3.

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