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 $