Consider the reactions

$space left parenthesis straight i right parenthesis space left parenthesis CH subscript 3 right parenthesis subscript 2 CH minus space CH subscript 2 space minus space CH subscript 2 space Br space rightwards arrow with straight C subscript 2 straight O subscript 5 OH on top space left parenthesis CH subscript 3 right parenthesis subscript 2 CHCH subscript 2 OC subscript 2 straight H subscript 5 space plus space Br to the power of minus left parenthesis ii right parenthesis space left parenthesis CH subscript 3 right parenthesis subscript 2 CHCH subscript 2 Br rightwards arrow with straight C subscript 2 straight H subscript 5 straight O to the power of minus on top space left parenthesis CH subscript 3 right parenthesis subscript 2 CHCH subscript 2 OC subscript 2 straight H subscript 5 space plus Br to the power of minus$

The mechanisms of reactions (i) and (ii) are respectively

S_N1 and S_N2

S_N1 and S_N1

S_N2 and S_N2

S_N2 and S_N1

Solution

S_N1 and S_N2

C₂H₅OH being a weaker nucleophile, when used as a solvent in case, of hindered 1^o halide, favours S_N1 mechanism while C₂H₅O^- being a strong nucleophile in this reaction favours S_N2 mechanism.

Some More Questions From Haloalkanes and Haloarenes Chapter

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Haloalkanes And Haloarenes

Some More Questions From Haloalkanes and Haloarenes Chapter

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:

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

Consider the reactions The mechanisms of reactions (i) and (ii) are respectively SN1 and SN2 SN1 and SN1 SN2 and SN2 SN2 and SN1

Some More Questions From Haloalkanes and Haloarenes Chapter

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:

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

Mock Test Series

NCERT Sample Papers

Entrance Exams Preparation

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.