First slide

Chlorine - properties ,Structure and Uses

Question

Regarding chlorine, correct statement is

Moderate

A

Bleaching property of chlorine is temporary
B

It oxidizes $H_{2} S$ to ${SCl}_{2}$
C

It oxidizes ethene to ethylene dichloride (in ${CCl}_{4}$ solvent )
D

It is a dry bleach

Solution

Oxidation state of carbon in ethene is $- 2$ and in ethylene dichloride $(C_{2} H_{4} {Cl}_{2})$ is $- 1$ .
It oxidizes $H_{2} S$ to sulphur
Chlorine bleaches in moist conditions. Bleaching by chlorine is permanant
${Cl}_{2} + H_{2} O \to HCl + HOCl HOCl \to HCl + O$

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