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Question: Propionic acid is subjected to reduction with hydroiodic acid in the presence of a little P, the pro...

Propionic acid is subjected to reduction with hydroiodic acid in the presence of a little P, the product formed is.

A

Ethane

B

Propane

C

Butane

D

None of these

Answer

Propane

Explanation

Solution

CH3−CH2−COOHPropanoicacid+6HI→RedP\underset{\text{Propanoicacid}}{CH_{3} - CH_{2} - COOH} + 6HI\overset{\quad\text{Red}P\quad}{\rightarrow}

CH3−CH2−CH3Propane+2H2O+3I2\underset{\text{Propane}}{CH_{3} - CH_{2} - CH_{3}} + 2H_{2}O + 3I_{2}