D-And F-Block Elements Ques 180

Question: Copper sulphate is commercially made from copper scraps by

[CPMT 1973]

Options:

A) Dissolving in hot conc. $ H_2SO_4 $

B) The action of dil. $ H_2SO_4 $ and air

C) Heating with sodium sulphate

D) Heating with sulphur

Show Answer

Answer:

Correct Answer: B

Solution:

$ 2Cu+2H_2SO_4+O_2\to 2CuSO_4+2H_2O $



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