Single Choice

Yellow color of chlorine water fades because of?

AForm HCl & HOCl
Correct Answer
BChlorine gas escapes
C$$ClO_2+H_2$$
D$$Cl_2O$$

Solution

$$Cl_2+H_2O\rightarrow HCl+HClO$$

$$HClO\rightarrow HCl+[O]$$ (nascent oxygen responsible for bleaching action).

Chlorine water loses its yellow colour due to the formation of $$HCl$$ and $$HOCl$$.

SIMILAR QUESTIONS

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The reaction between $$H_{2}$$ and $$Cl_{2}$$ in direct sun light is explosive.

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In paper industry, the chemical compound used for bleaching is :

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Chlorine gas bleaches moist litmus paper.

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A black powder when heated with conc. HCl gives a greenish yellow gas. The gas acts as an oxidizing and a bleaching agent. When it is passed over slaked lime, a white powder is formed which is a ready source of gas. The black powder and white powder respectively are:

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Account for the following: Bleaching of flowers by chlorine is permanent while that by sulphur dioxide is temporary.

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Account for the following: a. $$BiH_{3}$$ is the strongest reducing agent in Group $$15$$ elements hydrides. b. $$Cl_{2}$$ acts as a bleaching agent. c. Noble gases have very low boiling points.

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On heating with bleaching powder, ethyl alcohol is converted into:

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Bleaching powder is insoluble in cold water.

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Bleaching action of chlorine is by:

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Bleaching powder is prepared from:

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