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Q.

Two compounds A and B with same molecular formula (C3H6O) undergo Grignard's reaction with methylmagnesium bromide to give products C and D. Products C and D show following chemical tests.

TestCD
Ceric ammonium nitrate TestPositivePositive
Lucas TestTurbidity obtained after five minutesTurbidity obtained immediately
Iodoform TestPositiveNegative

C and D respectively are:

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a

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b

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c

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d

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answer is B.

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Detailed Solution

The compounds are

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Secondary alcohol it shows +ve haloform test gives turbidity after 5 minutes.

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Tertiary alcohol shows -ve haloform test & gives turbidity immediately. 

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