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When Cl2 gas reacts with hot and concent...

When `Cl_2` gas reacts with hot and concentrated sodium hydroxide solution, the oxidation number of chlorine changes from:

A

zero to +1 and zero to `-5`

B

zero to -1 and zero to `+5`

C

zero to -1 and zero to `+3`

D

zero to +1 and zero to `-3`

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The correct Answer is:
B
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