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  4. Which of the following organic compounds answers to both iodoform test and Fehling's test?

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Q. Which of the following organic compounds answers to both iodoform test and Fehling's test?

NTA AbhyasNTA Abhyas 2022

Solution:

The compound which contains $-COCH_{3}$ group in its structure, give positive iodoform test and the compound which contains $-CHO \, $ group give positive Fehling test.
In ethanal, $CH_{3}CHO$ both the groups are present, hence it responds to both iodoform test and Fehling's test.
Iodoform test
$CH_{3}CHO+I_{2}+NaOH \rightarrow CHI_{3}+NaI+H_{2}O$
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