Question

(1) Aldol condensation of acetaldehyde results in the formation of -

(a)CH-C-CH-CH3
OH
(c) CH3-CH2-CH-CHO
OH
(b) CH3-CH-CH2-CHO
OH
(d) CH3-CH2-OH + CH3COOH​

Answer 1

Answer:

Acetaldehyde undergoes aldol condensation in presence of dil NaOH or K2CO3 to form beta hydroxy butyraldehyde or aldol.

CH3CHO + HCH2CHO—–> CH3CH(OH)CH2CHO [Aldol]

On heating aldol loses a water molecule to give unsaturated aldehyde .

CH3CH(OH)CH2CHO ——-> CH3CH=CHCHO [crotonaldehyde] +H2O

Explanation:

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Answer 2

Explanation:

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