Question

g) why is it neceessary to add
He So4 white prepadring the
solution of cuso4​

Answer 1

It is necessary to add H2S04 so that the hydrolysis can be prevented.

Explanation:

• The crystallization of copper sulfate is done by adding water and a little H2So4 in it.

• The H2SO4 prevents the hydrolysis of the copper sulfate crystals being formed.

• Without H2SO4, hydrolysis might occur and the desired crystals might not be formed. Without H2SO4, the CuSO4 is converted into copper sulfate pentahydrate.

• The copper sulfate crystals when formed correctly are blue or violet in color.

Answer 2

Explanation:

So that the hydrolysis can be prevented....