The compound having blue colour is:

C u S O_{4}

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C u S O_{4} .5 H_{2} O

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P b S O_{4}

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H g S O_{4}

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Solution

The correct option is B $C u S O_{4} .5 H_{2} O$
When copper sulfate isn’t associated with any water molecules, it is known as the anhydrous form. This is in powder form and has a grey-white color.

The pentahydrate copper sulfate $(C u S O_{4} \cdot 5 H_{2} O)$ has a beautiful bright blue color.

$P b S O_{4}$ is colourless and $H g S O_{4}$ is yellow coloured.

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Similar questions

C u S O_{4} .5 H_{2} O

C u S O_{4}

Which of the following salt has a blue colour and why ?

$C u S O_{4} .5 H_{2} O o r C u S O_{4}$

C u {S O}_{4} \cdot 5 H_{2} O

F e {S O}_{4} \cdot 7 H_{2} O

$C u S O_{4} .5 H_{2} O$ is blue in colour while $C u S O_{4}$ is colourless. Why?

C u S O_{4} \cdot 5 H_{2} O

C u S O_{4}

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