Haloalkanes And Haloarenes

Question

What is the function of anhydrous zinc chloride in the reaction between alcohols and hydrogen halide?

Solution

Anhydrous zinc chloride acts as a dehydrating agent, removes water formed in the reaction and prevents the reverse reaction.

stack space space straight R minus OH with alcohol below space plus space HX with hydrogen space halide below space rightwards arrow with space space Z n C l subscript 2 space on top space space RX with halo space alkane below space plus space straight H subscript 2 straight O

Some More Questions From Haloalkanes and Haloarenes Chapter

Write structures of the following compounds:
1-chloro-4-ethylcyclohexane

Write structures of the following compounds:
4-tert-Butyl-3-iodohaptane

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Haloalkanes And Haloarenes

What is the function of anhydrous zinc chloride in the reaction between alcohols and hydrogen halide?

Some More Questions From Haloalkanes and Haloarenes Chapter

Write structures of the following compounds:
1-chloro-4-ethylcyclohexane

Write structures of the following compounds:
4-tert-Butyl-3-iodohaptane

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:

Mock Test Series

NCERT Sample Papers

Entrance Exams Preparation

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Haloalkanes And Haloarenes

What is the function of anhydrous zinc chloride in the reaction between alcohols and hydrogen halide?

Some More Questions From Haloalkanes and Haloarenes Chapter

Write structures of the following compounds:1-chloro-4-ethylcyclohexane

Write structures of the following compounds:4-tert-Butyl-3-iodohaptane

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:

Mock Test Series

NCERT Sample Papers

Entrance Exams Preparation

Write structures of the following compounds:
1-chloro-4-ethylcyclohexane

Write structures of the following compounds:
4-tert-Butyl-3-iodohaptane

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.