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Q.

The tests performed on compound X and their inferences are: 

 Test Interference
 (a) 2, 4-DNP test Coloured precipitate
 (b) Iodoform test Yellow precipitate
 (c) Azo-dye test No dye formation 

Compound ‘X’ is

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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

∴  −COCH3 is present it will show both 2, 4-DNP & iodoform test.  Due to steric inhibition of resonance. I.P  of ‘N’ is not involved in delocalization so coupling reaction will not take place.

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The tests performed on compound X and their inferences are:  Test Interference (a) 2, 4-DNP test Coloured precipitate (b) Iodoform test Yellow precipitate (c) Azo-dye test No dye formation Compound ‘X’ is