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Name the reagents used in the following ...

Name the reagents used in the following reactions:
(i) Oxidation of a primary alcohol to carboxylic acid.
(ii) Oxidation of a primary alcohol to aldehyde.
(iii) Bromination of phenol to 2,4,6-tribromophenol.
(iv) Benzyl alcohol to benzoic acid.
(v) Dehydration of propan-2-ol to propene.
(vi) Butan-2-one to butan-2-ol.

Text Solution

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(i) Acidified `K_(2)Cr_(2)O_(7)" "` (ii) Pyridine chlorochrometa `(PC C)" "`(iii) Bromine water `(Br_(2)//H_(2)O)`
(iv) Alkaline `KMnO_(4)" "` (v) `60% H_(2)SO_(4)` at `373 K" "` (vi) `LiAlH_(4)` or `NaBH_(4)`.
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