Question

7.
Write the molecular formulae of the compounds that can be formed by
combination of following ions
a. Cu and CI
b. Na and NO-
2
c. Fe and SO,
d. Fe" and CI​

Answer 1

Answer:

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

2

SO

4

,FeCl

3

,Fe

Explanation:

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