Question

12) An element X forms an oxide with the formula X 0,
a) State the valency of X
b) Write the formula of chloride of
c) Write the formula of sulphate of X​

Answer 1

Answer:

a) 2

b) XCl2

c) XSO4

Explanation:

since, formula of oxide is XO and valency of O is 2 but formula of oxide is simple therefore, valency of X is 2.

since, valency of Cl is 1 therefore formula of chloride is XCl2.

valency of sulphate is 2 and X is also 2 therefore , formula of sulphate is XSO4.

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