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Functional Group Identification: What are the functional groups (alkanes, alkenes, alcohols, aldehydes, ketones, phenol)? how is reaction with...

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Chemistry

Functional Group Identification:

What are the functional groups (alkanes, alkenes, alcohols,aldehydes, ketones, phenol)?

how is reaction with Br2: (and how this can be used to test foralkanes, alkenes with and without light)

Explain Ceric nitrate test (tests for alcohol functional group):turns red in presence of hydroxyl, turns green-brown in presence ofphenol.

FeCl3 test: phenols turn red-purple

2,4-DNP (tests for aldehydes and ketones): yellow-red =carbonyl present, but it does not help you decide between thealdehyde and ketone.

Why Tollen’s Reagent: reacts with aldehydes, does not react withketones, appears to “silver” the solution ?

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