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To distinguish between formaldehyde and ...

To distinguish between formaldehyde and acetaldehyde, we require

A

Tollen's reagent

B

Fehling's solution

C

Schiff's reagent

D

Caustic soda solution

Text Solution

Verified by Experts

The correct Answer is:
D
`2HCHO underset("conc.")overset(NaOH)to CH_3OH+HCOONa`
It is a Cannizzaro’s reaction.
`2CH_3CHO underset("dil.")overset(NaOH)to CH_3-overset(OH)overset(|)(CH)-CH_2-CHO`
It is aldol condensation reaction.
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