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- Chloroform in the presence of air gets oxidised to phosgene. Phosgene is carbonyl chloride & is represented as COCl2. To prevent the formation of phosgene, chloroform is stored in dark colored bottles.
- This is represented as CHCl3 + 1/2 O2---->COCl2 + HCl.
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Why is chloroform kept in dark bottle?
It is reacting with Light. Form chlorine with the reaction.
Why is chloroform kept in amber bottle?
Chloform can get oxidized under sunlight into phosgene, which is a poisonous gas and can hurt people. So it is generally avoided.
Why silver bromide is kept in brown bottle?
Silver bromide is a photo reactive substance, the colour of the bottle keeps light out.
Can acetone be kept in plastic bottle?
yes it can
Why is sulphuric acid kept in a stoppered bottle?
because the vapours released are harmful
Why is chloroform kept in dark bottle?
It is reacting with Light. Form chlorine with the reaction.
Why is chloroform kept in amber bottle?
Chloform can get oxidized under sunlight into phosgene, which is a poisonous gas and can hurt people. So it is generally avoided.
Why silver bromide is kept in brown bottle?
Silver bromide is a photo reactive substance, the colour of the bottle keeps light out.
How long can you keep a bottle of drambuie unopened?
It should last indefinitely if kept in a cool, dark place.
How long does a bottle of grand marnier last?
It should last indefinitely if kept in a cool dark place.
Why are some reagent bottle colored?
Some solvent or chemicals are sensitive to light, and they get oxidised when they are exposed to it.
How long is Percocet good for?
It has a shelf life of about 24-30 months. IF kept in a cool, dry, DARK place and in an airtight bottle.
When was Kept in the Dark created?
Kept in the Dark was created in 1882.
Why are bats kept in dark cages?
in the forest the come out in the dark so they are kept in dark cages
Why potassium ferrocyanide is stored in dark coloured bottles and kept away from sunlight?
Potassium ferrocynide is stored in dark coloured bottels and kept away from sunlight.This is because it decomposes when exposed to sunlight.Thus it is always stored in amber or brown coloured bottels.
Can acetone be kept in plastic bottle?
yes it can
Could someone tell you how long verjuice keeps?
kept in its original sealed bottle verjuice will keep indefinitely - it oxidises a bit and turns orange then dull red to a brick brown over years - slower in dark cupboard - but does not seem to loose flavour - we are using 2005 vintage in 2010 - once opened keep in refrigerator and reseal after use but seems to keep for ages if kept like this - sometimes a "vinegar flower" grows in an opened bottle and floats around - we just remove it - if left suppose it would "eat" all the flavour
