Q.
How many of the following compounds will NOT reduce Fehling's solution? HCHO,C6H5COCH3,C6H5COC6H5,(CH3)3C−CHO,C6H5CHO,CH3CHO,m−HOC6H4CHO,p−O2NC6H4CHO.
818
141
Aldehydes Ketones and Carboxylic Acids
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Answer: 5
Solution:
Aromatic aldehydes and ketones do not reduce Fehling's solution.
Thus, C6H5COCH3,C6H5COC6H5, C6H5CHO,m−HOC6H4CHO and p−O2NC6H4CHO will not reduce Fehling's solution.