Question

Chemical formula of few compounds are given.
(i) $Zn(P{O}_4{)}_2$ (ii) $F{e}_2{S}_3$ (iii) $AlN$ (iv) $Ca\left(HC{O}_3\right)$ (v) $K_{2}S{O}_4$.

The wrong chemical formulas are :

• A. (ii) and (iii)
• B. (i), (iv) and (v)
• C. (i) and (iv)
• D. (i), (ii), (iii), (iv), (v)

Answer 1

Answer: (C)

(i) and (iv)

Correct chemical formula's
(i) $Z{n}_3(P{O}_4{)}_2$
(ii) $F{e}_2{S}_3$
(iii) $AlN$
(iv) $Ca(HC{O}_3{)}_2$
(v) $K_{2}S{O}_4$.