D-And F-Block Elements Ques 209

Question: What is the effect of shaking dil. $ H_2SO_4 $ with small quantity of anhydrous $ CuSO_4 $

[NCERT 1975; CPMT 1975, 88]

Options:

A) The white solid dissolves to form a colourless solution

B) The white solid dissolves to form a green solution

C) The white solid turns blue but does not dissolve

D) The white solid dissolves to form a blue solution

Show Answer

Answer:

Correct Answer: D

Solution:

The white solid dissolves to form a blue solution. $ CuSO_4+dil\text{.}H_2SO_4,\to ,\underset{\text{blue vitriol}}{\mathop{CuSO_4.5H_2O}}, $



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