Which of the following does not react with NaHSO3?
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CH 3 CHO
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C6H5COCH 2 .CH 3
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CH 3 COCH 3
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HCHO
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Ans. B) C 6 H 5 COCH 2 .CH 3 does not react with NaHSO 3 .
As discussed in the beginning, aromatic ketones do not react with Schiff reagent as they are less reactive than aliphatic ketones and both aromatic aldehydes and aliphatic aldehydes.