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Question:
Tertiary alkyl halide is practically inert to substitution by $S_N2$ mechanism because of
Tertiary alkyl halide is practically inert to substitution by $S_N2$ mechanism because of
Updated On: May 30, 2022
- Insolubility
- Instability
- Inductive effect
- Steric hindrance
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The Correct Option is D
Solution and Explanation
In tertiary alkyl halides steric hindrance does not allow substitution by $S_N2$ mechanism in which the nucleophile attacks on the carbon atom and the reaction takes place in single step.
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Concepts Used:
Haloalkanes and Haloarenes - Classification
Classification of Haloalkanes and Haloarenes are as follows:
Haloalkanes and Haloarenes are Classified on the Basis of the Number of Halogen Atoms:
These are further classified as mono, di, or polyhalogen (tri-,tetra-, etc.) compounds depending on whether they contain one, two or more halogen atoms in their structures. For example;
- Monohaloalkane
- Dihaloalkane
- Trihaloalkane
Haloalkanes and Haloarenes are Classified on Compounds Containing sp3 C—X Bond (X= F, Cl, Br, I)
This class includes:
- Alkyl halides or haloalkanes (R—X)
- Allylic halides
- Benzylic halides
Haloalkanes and Haloarenes are Classified on Compounds Containing sp2 C—X Bond
This class includes:
- Vinylic halides
- Aryl halides
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