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how to we convert propanal to propane

Posted by Atreyee Shome 7 years, 4 months ago

CBSE > Class 12 > Chemistry

2 answers

Yakshith K 7 years, 4 months ago

The conversion of propanal to propane is a reduction reaction. This involves the reduction of an aldehyde into a hydrocarbon. There are two methods namely:

1.Clemmesen reduction:The carbonyl group of aldehyde or ketone is converted into CH₂ group by treating with Zinc-Amalgam(Zn-Hg) and concentrated hydrochloric acid.

2.Wolf-Kishner reduction:The carbonyl group is converted by the action of hydrazine(NH_2-NH₂) with KOH or NaOH in high boiling solvent such as ethylene glycol.

Conversion of propanal to propane can be done by any of the following steps.

CH₃-CH₂-CHO $\overset{Zn - Hg and conc HCl}{\to}$ CH₃-CH₂-CH_3.

Ashwin S 7 years, 4 months ago

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