Question

The chemical formula of nitride of some element ‘X’ is X3N2 and the chemical formula of hydroxide of some element ‘Y’ is YOH. The chemical formula of sulphite of ‘X’ and phosphate of ‘Y’ will be

Answer 1

Answer:

Sulphite of X will be XSO3 and phosphate of Y will be Y3PO4.

Explanation:

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Answer 2

The chemical formula of sulphite of ‘X’ and phosphate of ‘Y’ will be XSO3 and Y3P respectively.

• In the compound X3N2, the valency of nitrogen is -3. Hence, the valency of X is +2.
• Now, the valency of sulphite is -2. Thus, the formula of X sulphite will be XSO3.
• In the compound YOH, the valency of hydroxide is -1. Hence, the valency is Y is +1.
• Now, the valency of phosphate is -3. Thus, the formula of Y phosphate will be Y3P.