Which compound in each of the following pairs will react faster in S_N2 reaction with -OH?
CH₃Br or CH₃I

Solution

In the S_N2 mechanism, the reactivity of halides for same halides group increase down the group. Because increase in size increase, the halide becomes a better leaving group. Therefore, CH₃I will react faster than CH₃Br in S_N2 reactions with OH^-.

Some More Questions From Haloalkanes and Haloarenes Chapter

Write structures of the following compounds:
1, 4-Dibromo but-2-ene

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Haloalkanes And Haloarenes

Which compound in each of the following pairs will react faster in S_N2 reaction with -OH?
CH₃Br or CH₃I

Some More Questions From Haloalkanes and Haloarenes Chapter

Write structures of the following compounds:
1, 4-Dibromo but-2-ene

Write structures of the following compounds:
1-Bromo-4-sec butyl-2-methyl benzene.

Why is sulphuric acid not used during the reaction of alcohols with KI?

Write structures of different dihalogen derivatives of propane.

Among the isomeric alkanes of molecular formula C₅H₁₂, identify the one that on photochemical chlorination yields:

i) A single monochloride.

Among the isomeric alkanes of molecular formula C₅H₁₂, identify the one that on photochemical chlorination yields:

i)Three isomeric monochlorides.

Among the isomeric alkanes of molecular formula C₅H₁₂, identify the one that on photochemical chlorination yields:
Four isomeric monochlorides.

Draw the structures of major monohalo products in each of the following reactions:

Draw the structures of major monohalo products in each of the following reactions:

Draw the structures of major monohalo products in each of the following reactions:

Mock Test Series

NCERT Sample Papers

Entrance Exams Preparation

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Haloalkanes And Haloarenes

Which compound in each of the following pairs will react faster in SN2 reaction with -OH?CH3Br or CH3I

Some More Questions From Haloalkanes and Haloarenes Chapter

Write structures of the following compounds:1, 4-Dibromo but-2-ene

Write structures of the following compounds:1-Bromo-4-sec butyl-2-methyl benzene.

Why is sulphuric acid not used during the reaction of alcohols with KI?

Write structures of different dihalogen derivatives of propane.

Among the isomeric alkanes of molecular formula C5H12, identify the one that on photochemical chlorination yields:i) A single monochloride.

Among the isomeric alkanes of molecular formula C5H12, identify the one that on photochemical chlorination yields:i)Three isomeric monochlorides.

Among the isomeric alkanes of molecular formula C5H12, identify the one that on photochemical chlorination yields:Four isomeric monochlorides.

Draw the structures of major monohalo products in each of the following reactions:

Draw the structures of major monohalo products in each of the following reactions:

Draw the structures of major monohalo products in each of the following reactions:

Mock Test Series

NCERT Sample Papers

Entrance Exams Preparation

Which compound in each of the following pairs will react faster in S_N2 reaction with -OH?
CH₃Br or CH₃I

Write structures of the following compounds:
1, 4-Dibromo but-2-ene

Write structures of the following compounds:
1-Bromo-4-sec butyl-2-methyl benzene.

Among the isomeric alkanes of molecular formula C₅H₁₂, identify the one that on photochemical chlorination yields:

i) A single monochloride.

Among the isomeric alkanes of molecular formula C₅H₁₂, identify the one that on photochemical chlorination yields:

i)Three isomeric monochlorides.

Among the isomeric alkanes of molecular formula C₅H₁₂, identify the one that on photochemical chlorination yields:
Four isomeric monochlorides.