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Chemistry - Carboxylic acid and their Derivatives Question with Solution | TestHub

ChemistryCarboxylic acid and their DerivativesOTHER NAME REACTIONS (INCLUDING HVZ, PERKIN'S, CLAISEN ESTER, REFORMATSKY, HUNSDIECKER)Medium2 minQB
ChemistryMediumsingle choice
Passage / Comprehension

As a way of summarizing consider the reaction of methyllithium a typical organometallic compound with bromoethane a typical halide.

Three different reactions can be predicted.

(I) Nucleophilic substitution (SN2) (organometallic coupling)

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(II) Halogen metal exchange:

image.png

(III) Bimolecular elimination reaction.

image.png

In principle all three of these reaction can compete with one another. How to promote just one of them over the two.

What is incorrect to promote (II) reaction?

Question diagram: What is incorrect to promote (II) reaction?

Options:

Answer:
C
Solution:

 

Stream:JEESubject:ChemistryTopic:Carboxylic acid and their DerivativesSubtopic:OTHER NAME REACTIONS (INCLUDING HVZ, PERKIN'S, CLAISEN ESTER, REFORMATSKY, HUNSDIECKER)
2mℹ️ Source: QB

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