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Bleaching Powder

When dry Cl...

Question

When dry $C l_{2}$ gas is passed over dry slaked lime, the product obtained is having the formula:

A

C a O

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B

C a (O C l)_{2}

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C

C a O C l_{3}

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D

C a C l_{2} O_{2}

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Solution

The correct option is B $C a (O C l)_{2}$
$2 C a (O H)_{2} + 2 C l_{2} \to C a (O C l)_{2} + C a C l_{2} + 2 H_{2} O$ .
This is the formula of bleaching powder used commercially.

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