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Q. Which of the following reactions produce(s) propane as a major product?

JEE AdvancedJEE Advanced 2019Hydrocarbons

Solution:

$CH_3 - CH_2 - CH_2-CO2Na + H_2O \xrightarrow{\text{elecrolysis}} n$-hexane
$CH_3 - CH_2 - CH_2 - CO_2Na \xrightarrow[\Delta]{NaOH+CaO} CH_3 - CH_2 - CH_3$
$CH_3 - CH_2 - CH_2-Cl + Zn \rightarrow CH_3 - CH_2 - CH_2 - ZnCl \xrightarrow{dil.\,HCl} CH_3CH_2CH_3$

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