Question

Why chloroform is stored in closed dark coloured bottles completely filled so that air is kept out?

Answer 1

- If Chloroform is exposed to light then will get oxidized because of the air and it will form carbonyl and HCl.

This is very poisonous.

That is the reason why chloroform is stored in dark colored bottles completely filled and kept away from air.

If it is not stored in dark then it will turn into poisonous gas and spread in the surrounding areas.

Answer 2

Hey mate!

Here's your answer!!

Chloroform is slowly oxidised by air in the presence of light to an extremely poisonous gas, carbonyl chloride, also known as phosgene. It is therefore stored in closed dark coloured bottles completely filled so that air is kept out.

2CHCl​3 + O2 + light gives 2COCl2 + 2HCl

$hope \: it \: helps \: you.$
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