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  4. Which of the following reactions would give propanal?

Q. Which of the following reactions would give propanal?

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Solution:

Correct answer is (a) Ethyl propanoate DBAH (diisobutyl aluminium hydride). at , followed by hydrolysis.Correct answer is (b) Propyl propanoate + DIBAL-H/ Correct answer is (c) Ethyl cyanide + DBAHCorrect answer is (d) Propanoyl chloride + LBAH

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