Q.

The aqueous solutions of copper sulphate and zinc sulphate appear?

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a

Blue and green respectively

b

Green and colourless respectively

c

Blue and brown respectively

d

Blue and colourless respectively 

answer is D.

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Detailed Solution

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The aqueous solutions of copper sulphate and zinc sulphate appear blue and colourless respectively.
The solution of copper sulphate is blue in colour and that of zinc sulphate is colorless as it does not have any unpaired electrons when it is dissolved in water.

Hence,the aqueous solution of copper sulphate and zinc sulphate appear blue and colourless respectively.

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