ChrisBee
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Hi, quick question: What's the difference between a dehydrating agent and a drying agent?
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username913907
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(Original post by ChrisBee)
Hi, quick question: What's the difference between a dehydrating agent and a drying agent?
Not certain about this, but the uses of these that I have come across is:

drying agent simply mops up water in the reaction vessel. e.g. removing water from a non-aqueous solvent.

dehydrating agent is used to remove water from the molecule
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ChrisBee
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(Original post by JMaydom)
Not certain about this, but the uses of these that I have come across is:

drying agent simply mops up water in the reaction vessel. e.g. removing water from a non-aqueous solvent.

dehydrating agent is used to remove water from the molecule
Thanks for the response, does anyone else agree?
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illusionz
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(Original post by ChrisBee)
Thanks for the response, does anyone else agree?
I agree
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haydyb123
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(Original post by ChrisBee)
Thanks for the response, does anyone else agree?
I would concur with what he said, I would associate drying agent with something like MgSO4 which is used to do what it says on the tin really... mop up the excess water in the vessel. Whereas a dehydrating agent I would say is on a more molecular level to remove water from a molecule.
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charco
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(Original post by ChrisBee)
Thanks for the response, does anyone else agree?
Just be a bit careful about the phrase "removing water from a molecule".

It can mean just that, i.e. removing water molecules from other compounds (e.g. dehydration of hydrated copper(II) sulphate), but usually means "removing the elements of water from a molecule". It is usually one hydrogen from one atom and an OH group from another nearby location.
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Sunny Nair
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Drying agents bring about a physical change with no change in the composition of the compound whereas a dehydrating agent brings about a chemical change and a change in the composition of the compound.
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Sunny Nair
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Drying agents bring about a physical change with no change in the composition of the compound whereas a dehydrating agent brings about a chemical change and a change in the composition of the compound.
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charco
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You can say that again!
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Infraspecies
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(Original post by charco)
You can say that again!
Oh you.
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username913907
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(Original post by charco)
You can say that again!

(Original post by Infraspecies)
Oh you.
Oh the trolling
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Infraspecies
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(Original post by JMaydom)
Oh the trolling
D:
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emmamullan123
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when asked the function of a drying agent or a dehydrating agent , could you say that it removes water?
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