Haloalkanes and Haloarenes
Which of the following is most reactive towards nucleophilic substitution?
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Multiple Choice
Which of the following statements are correct for the above reaction?
AThe product is a mixture of (figure)
Correct Answer
BThe product $$(II)$$ is a cine-substitution product
Correct Answer
CThe reaction proceeds via benzyne intermediate
Correct Answer
DThe reaction is $$ArSN$$ (addition-elimination)
Solution
Product $$(II)$$ is cine substitution and product $$(III)$$ is direct substitution. Reaction is $$ArSN$$ (elimination-addition) reaction.
Options A, B, and C are correct.
SIMILAR QUESTIONS
Haloalkanes and Haloarenes
Which of the following undergoes nucleophilic substitution exclusively by $$S{_N}{1}$$ mechanism?
Haloalkanes and Haloarenes
Which of the following is most reactive towards aqueous $$NaOH$$?
Haloalkanes and Haloarenes
Which of the following compounds undergo nucleophilic substitution reactions?
Haloalkanes and Haloarenes
The nucleophilic substitution of primary alkyl chlorides with sodium acetate is catalysed by sodium iodide. Explain why.
Haloalkanes and Haloarenes
The decreasing order of nucleophilicities of the following is: $$(I)Br^{\ominus }(II)MeO^{\ominus }(III)Me_2N^{\ominus }(IV)Me_3C^{\ominus }$$
Haloalkanes and Haloarenes
The major product $$(C)$$ in the reaction is:
Haloalkanes and Haloarenes
Product $$(B)$$ is:
Haloalkanes and Haloarenes
The decreasing order of $$ArS_N$$ reaction with $${C}_{2}{H}_{5}{O}^{\ominus }/EtOH$$ is:
Haloalkanes and Haloarenes
Which of the following compounds will sow faster $$Ar{S_N}{2}$$ reaction?
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