Question

Which of the following represents a correct chemical formula (a) cacl (b) naso4 (c) Na(SO)² (d) Na²S​

Answer 1

Answer:

Valency of Ca is 2 and Cl is 1. Hence, the correct formula for calcium chloride is CaCl

2

. Option A is incorrect.

Valency of Bi is 3 and (PO

4

) i.e. phosphate ion is also 3. Hence, the formula of bismuth phosphate is BiPO

4

. Option (B) is the correct answer.

Valency of Na is 1 and sulphate, SO

4

is 2. Hence, formula of sodium sulphate is Na

2

SO

4

. Option C is incorrect.

Valency of Na is 1 and sulphur is 2. Hence, the formula of sodium sulphide is Na

2

S. Option D is incorrect.

Answer 2

Answer:

cacl[a]

Explanation:

cacl--calcium chloride