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The correct statement regarding a unimolecular elimination reaction is
  • a)
    Rearrangement of carbon skeleton may occur during elimination reaction
  • b)
    Reaction is stereospecific
  • c)
    If 14C replaces α-carbon of substrate, reactivity remains unaltered
  • d)
    In the given condition of E1 reaction, no substitution reaction takes place
Correct answer is option 'A'. Can you explain this answer?
Verified Answer
The correct statement regarding a unimolecular elimination reaction is...
E1 reaction proceeds via carbocation intermediate, rearrangement of carbon skeleton is very common in this reaction.
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The correct statement regarding a unimolecular elimination reaction is...


Explanation:

Rearrangement of carbon skeleton may occur during elimination reaction:
During a unimolecular elimination reaction, rearrangement of the carbon skeleton may occur. This can lead to the formation of different products than initially anticipated due to the rearrangement of atoms within the molecule.

Reaction is stereospecific:
Unimolecular elimination reactions are typically stereospecific, meaning that they proceed with retention of stereochemistry. This is an important characteristic of these reactions that differentiates them from other types of reactions.

If 14C replaces -carbon of substrate, reactivity remains unaltered:
In unimolecular elimination reactions, if a 14C isotope replaces the carbon of the substrate, the reactivity of the reaction remains unaltered. This is because the presence of the isotope does not significantly impact the mechanism or outcome of the reaction.

In the given condition of E1 reaction, no substitution reaction takes place:
In the E1 mechanism, which is a type of unimolecular elimination reaction, no substitution reaction takes place. Instead, the reaction proceeds through the formation of a carbocation intermediate followed by elimination of a leaving group to give the final product.

Overall, unimolecular elimination reactions exhibit unique characteristics such as potential carbon skeleton rearrangement, stereospecificity, unaffected reactivity with isotopic substitution, and the absence of substitution reactions in certain conditions like the E1 mechanism.
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The correct statement regarding a unimolecular elimination reaction isa)Rearrangement of carbon skeleton may occur during elimination reactionb)Reaction is stereospecificc)If 14C replaces α-carbon of substrate, reactivity remains unalteredd)In the given condition of E1 reaction, no substitution reaction takes placeCorrect answer is option 'A'. Can you explain this answer?
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