Carbonyls Flashcards by Harry Rule | Brainscape

Q

Where is the carbonyl group on an aldehyde?

A

At the end of the chain.

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Q

Where is the carbonyl group on a ketone?

A

In the middle of the chain.

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Q

What is the test for carbonyls?

A

2,4-DNPH. Colourless —> yellow ppt.
Does not react with amides, esters or carboxylic acids.

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Q

What is the test for aldehydes?

A

Tollen’s reagent.
Silver oxidises the aldehyde.
Silver is reduced to form a silver mirror.

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