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Byju's Answer
Standard X
Chemistry
Introduction to Alcohols
Formaldehyde ...
Question

Formaldehyde and acetaldehyde are readily distinguished by reaction with:

A
a solution of 2,4-dinitrophenylhydrazine
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B
Fehling's solution
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C
Tollen's solution
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D
Iodine and alkali
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Solution

The correct option is D Iodine and alkali
1947738_1122295_ans_f23e6b1cc94e4805afa76d556dd7a71f.jpg

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