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Conditions Necessary for Chemical Reactions to Occur

When does chl...

Question

When does chlorine water decompose to hydrochloric acid?

A

When exposed to light

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B

When mixed with oxygen

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C

When a catalyst acts on them

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D

None Of the above.

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Solution

The correct option is A
When exposed to light

When chlorine water is exposed to sunlight, it decomposes to $H C l$ and $O_{2}$ gas is evolved.

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is liberated. Hence :

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O_{2}

is liberated. Hence :

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Conditions Necessary for Chemical Reactions to Occur

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