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Haloalkanes and Haloarenes
Question
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Which compound in each of the following pairs will react faster in SN2 reaction with -OH?
(CH3)3 CCl or CH3Cl 

Answer

In SN2 mechanism nucleophile attack occur at the atom bearing the leaving group. In case of CH3Cl there is no bulky substituents on the carbon atom or in case of (CH3­)3CCl, the attack of the nucleophile at the carbon atom is hindered because of the presence of bulky group on the carbon atom. Hence CH3Cl reacts faster than (CH3)3CCl in S­N2 reaction with OH­-. 

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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: