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Haloalkanes And Haloarenes

Question

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How do the products differ when ethyl bromide reacts separately with aq. KOH and alc. KOH?

Solution

This can be explain in the following ways:

When alkyl chloride react with aqueous KOH it forms alcohol. it is subsitution reaction.

C₂H₅Cl +KOH(aq.) ---> C₂H₅OH +KCl

When alkyl chloride react with alcoholic KOH it forms alkene. In this case elimination reaction take place.

C₂H₅Cl +KOH(alc.) ---> H₂C=CH₂ +KCl +H₂O

Some More Questions From Haloalkanes and Haloarenes Chapter

Write structures of the following compounds:
1-Bromo-4-sec butyl-2-methyl benzene.

Why is sulphuric acid not used during the reaction of alcohols with KI?

Write structures of different dihalogen derivatives of propane.

Among the isomeric alkanes of molecular formula C₅H₁₂, identify the one that on photochemical chlorination yields:

i) A single monochloride.

Among the isomeric alkanes of molecular formula C₅H₁₂, identify the one that on photochemical chlorination yields:

i)Three isomeric monochlorides.

Among the isomeric alkanes of molecular formula C₅H₁₂, identify the one that on photochemical chlorination yields:
Four isomeric monochlorides.

Draw the structures of major monohalo products in each of the following reactions:

Draw the structures of major monohalo products in each of the following reactions:

Draw the structures of major monohalo products in each of the following reactions:

Draw the structures of major monohalo products in each of the following reactions:

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