Subjective Type

Given reason: Chloroform is stored in closed dark-colored bottles completely filled so that air is kept out.

Solution

This is becuse chloroform is slowly oxidised by air in the presence of light to an extermely poisonous gas phosgene.
$$ \underset{Chloroform}{2CHCl_{3}} + O_{2} \overset{light}{\rightarrow} \underset{Phosgene}{2COCl_{2}} + 2HCl $$

SIMILAR QUESTIONS

Haloalkanes and Haloarenes

When $$CH{Cl}_{3}$$ is exposed to light and air, it gives:

Haloalkanes and Haloarenes

When chloroform is treated with oxygen, it forms:

Haloalkanes and Haloarenes

Acetone is mixed with bleaching powder to give:

Haloalkanes and Haloarenes

Which one of the following compounds does not react with bromine?

Haloalkanes and Haloarenes

The compound added to prevent chloroform to form phosgene gas is

Haloalkanes and Haloarenes

unpleaseant smelling carbylamines are formed by heating alkali and chloroform with :

Haloalkanes and Haloarenes

What products are formed when chloroform is exposed to air and sunlight?

Haloalkanes and Haloarenes

What products are formed when chloroform is heated with silver powder?

Haloalkanes and Haloarenes

What products are formed when chloroform is phenol in presence of alcoholic KOH at $$340\ K$$?

Haloalkanes and Haloarenes

How will you prepare chloroform from ethanol ? Give reactions of chloroform with (i) Nitric acid (ii) Silver powder.

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