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Question: Given below are two statements: **Statements-I :** $CH_3-O-CH_2-Cl$ will undergo $S_N1$ reaction th...

Given below are two statements:

Statements-I : CH3−O−CH2−ClCH_3-O-CH_2-Cl will undergo SN1S_N1 reaction through it is a primary halide.

Statements-II : CH3−C(CH3)−CH2−ClCH_3-C(CH_3)-CH_2-Cl will not undergo SN2S_N2 reaction very easily though it is a In the light of the above statements, choose the most appropriate answer from the options given below:

A

Statement I is correct but Statement II is correct

B

Both Statement I and Statement II are correct

C

Both Statement I is incorrect but Statement II is incorrect

D

Statement I is correct but Statement II is incorrect

Answer

Both Statement I and Statement II are correct

Explanation

Solution

Statement I Analysis:

The compound CH3−O−CH2−ClCH_3-O-CH_2-Cl (chloromethyl methyl ether) is a primary halide. The carbocation formed, CH3−O−CH2+CH_3-O-CH_2^+, is stabilized by resonance with the oxygen atom's lone pairs:

CH3−O¨−CH2+⟷CH3−O+=CH2CH_3-\ddot{O}-CH_2^+ \longleftrightarrow CH_3-\overset{+}{O}=CH_2

This resonance stabilization makes the carbocation stable, facilitating an SN1S_N1 reaction.

Statement II Analysis:

The compound CH3−C(CH3)2−CH2−ClCH_3-C(CH_3)_2-CH_2-Cl (neopentyl chloride) is a primary halide but experiences significant steric hindrance from the bulky tertiary butyl group, hindering the nucleophile's approach for an SN2S_N2 reaction.

Therefore, both statements are correct.