EASY
12th CBSE
IMPORTANT
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Write down the structure and IUPAC name for neo-pentyl bromide.

Important Questions on Haloalkanes and Haloarenes

MEDIUM
12th CBSE
IMPORTANT
NCERT Exemplar Chemistry - Class 12>Chapter 10 - Haloalkanes and Haloarenes>Short Answer Type>Q 60
A hydrocarbon of molecular mass 72 g mol–1 gives a single monochloro derivative and two dichloro derivatives on photo chlorination. Give the structure of the hydrocarbon.
MEDIUM
12th CBSE
IMPORTANT
NCERT Exemplar Chemistry - Class 12>Chapter 10 - Haloalkanes and Haloarenes>Short Answer Type>Q 61
Name the alkene which will yield 1-chloro-1-methylcyclohexane by its reaction with HCl. Write the reactions involved.
MEDIUM
12th CBSE
IMPORTANT
NCERT Exemplar Chemistry - Class 12>Chapter 10 - Haloalkanes and Haloarenes>Short Answer Type>Q 62

Which of the following haloalkanes reacts with aqueous KOH most easily? Explain giving reasons.
1-Bromobutane
2-Bromobutane
2-Bromo-2-methylpropane
2-Chlorobutane

 

EASY
12th CBSE
IMPORTANT
NCERT Exemplar Chemistry - Class 12>Chapter 10 - Haloalkanes and Haloarenes>Short Answer Type>Q 63
Why can aryl halides not be prepared by reaction of phenol with HCl in the presence of ZnCl2?
EASY
12th CBSE
IMPORTANT
NCERT Exemplar Chemistry - Class 12>Chapter 10 - Haloalkanes and Haloarenes>Short Answer Type>Q 64

Which of the following compounds would undergo SN1 reaction faster and why?

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EASY
12th CBSE
IMPORTANT
NCERT Exemplar Chemistry - Class 12>Chapter 10 - Haloalkanes and Haloarenes>Short Answer Type>Q 65
Allyl chloride is hydrolysed more readily than n-propyl chloride. Why?
EASY
12th CBSE
IMPORTANT
NCERT Exemplar Chemistry - Class 12>Chapter 10 - Haloalkanes and Haloarenes>Short Answer Type>Q 66
Why is it necessary to avoid even traces of moisture during the use of a Grignard reagent?
EASY
12th CBSE
IMPORTANT
NCERT Exemplar Chemistry - Class 12>Chapter 10 - Haloalkanes and Haloarenes>Short Answer Type>Q 67
How do polar solvents help in the first step in SN1 mechanism?