Question

Copper sulphate crystals when i
heated strongly, lose their
water of crystallization to give
anhydrous copper sulphate
accompanied by a change in
color from:
a)Blue to white
b)Blue to grey
c)Blue to sky blue
d)Blue to green​

Answer 1

Answer:

I think so.........

Blue to Grey

Answer 2

Answer:

Copper sulphate crystals are blue in colour due to the presence of water of crystallization. The colour in only there because of the presence of water of crystallization.

When they are heated strongly anhydrous copper sulphate is formed that is white in colour(colorless). This is so because of removal of water of crystallization.

The reaction is given by,

CuSO

4

.5H

2

0(blue)→CuSO

4

(white)+5H

2

O

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