Question

2.
Write the molecular formulae of all the compounds that can be formed by the
combination of following ions.
Cu²+, Na+, Fe", cl, 50,?, PO,​

Answer 1

Answer:

Correct option is D --- All of the above

Compounds are formed by the combination of cation and anion.

On combining all the possible positive ions with negative ions, we get

CuCl 2,CuSO 4,NaCl,Na 2SO 4,FeCl 3,Fe 2(SO 4)