Q.
Baeyer's reagent is
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a
Very dilute cold acidified KMnO4
b
Very dilute cold acidified K2Cr2O7
c
Very dilute cold alkaline KMnO4
d
Hot and concentrated alkaline KMnO4
answer is C.
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Detailed Solution
* Cold dilute alkaline KMnO4 is called Baeyers reagent.* Baeyers reagent is used for Synhydroxylation.* The addition of two "OH" groups across the double bond is called hydroxylation.* Baeyers reagent acts as oxidising agent.* Alkenes decolourises the KMnO4 pink colour,hence KMnO4 is used to detect the unsaturation in the given organic compound.
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