Question

What happen when n-buty
l chloride is treated with aqueous KO

H.


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Answer 1

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When n-butyl chloride reacts with or is treated with aqueous solution of KOH (potassium hydroxide), then butene (C₄H₈) is formed.

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Answer 2

When n-buty l-chloride is treated with alcoholic KO H then butene is formed.

• When n-butyl chloride reacts with alcoholic KOH, the product formed is butene. This reaction is known as hydrohalogenation.

$C_{4}H_{9}Cl+KOH$ → $CH_{3}CH_{2}CH_{2}=CH_{2}+H_{2}O$

• Hydrohalogenation is an electrophilic alkene addition reaction that is highly useful as a precursor reaction in multi-step organic chemistry synthesis.
• H-X molecules such as H-I, H-Br and H-Cl are highly polar molecules.