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Question

Which of the following are the products formed on heating CuSO4.5H2O (s)?


A

CuSO4.3H2O (s) and 2CO2 (g)

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B

CuSO4.10H2O (s) and 5H2O (g)

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C

CuSO4 (s) and 5H2O (g)

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D

CuSO4.5H2O (s) and 5H2O (g)

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Solution

The correct option is C

CuSO4 (s) and 5H2O (g)


Copper sulphate crystals contain water of crystallisation. When we heat the crystals, this water is removed and the salt turns white.
The reaction involved is:
CuSO4.5H2O (s)CuSO4 (s)+5H2O (g)


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