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Question

The compound given to Ram shown a positive iodoform test and negative Tollen's test While the compound given to Shyam shows a negative iodoform test and positive Tollen's test. Identify the compounds as A for Ram and B for Shyam.

A
CH3CH2CH2CHO,CH3COCH2CH3
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B
CH3COCH2CH3,CH3CH2CH2CHO
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C
CH3CH2CH2CHO,(CH3)2CHCHO
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D
CH3CH2COCH3,CH3CH2COCH3
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Solution

The correct option is B CH3COCH2CH3,CH3CH2CH2CHO
Methyl ketone gives positive iodoform test while aldehydes gives positive Tollen's test. so as per the result of test A compound is ketone while B is the aldehyde thus correct answer is (b) i.e A=CH3COCH2CH3, B=CH3CH2CH2CHO

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