Chapter 6: Haloalkanes and Haloarenes MCQs | chemistry Class 12 CBSE

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Chapter 6: Haloalkanes and Haloarenes MCQs | chemistry Class 12 CBSE | ByteNotes.in

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Question 1

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In haloalkanes, the carbon-halogen bond is polarised such that:

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Question 2

Objective

The IUPAC name of (CH3)3CBr is:

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Question 3

Objective

Which of the following alkyl halides will undergo SN2 reaction most readily?

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Question 4

Objective

The reaction of alkyl halides with sodium in dry ether to form hydrocarbons is known as:

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Question 5

Objective

In SN1 reactions, the rate of reaction depends on:

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Question 6

Objective

Which reagent is preferred for converting an alcohol to an alkyl chloride because the by-products are gaseous and escape the reaction mixture?

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Question 7

Objective

The boiling points of alkyl halides for the same alkyl group follow the order:

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Question 8

Objective

Chloroform is stored in dark-coloured bottles completely filled to prevent its oxidation to:

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Question 9

Objective

Which of the following is an allylic halide?

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Question 10

Objective

The reaction of alkyl chloride/bromide with NaI in dry acetone to form alkyl iodide is called:

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Question 11

Objective

In an SN2 reaction, which of the following alkyl halides is least reactive?

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Question 12

Objective

A compound that rotates plane polarised light to the right is called:

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Question 13

Objective

Which of the following is an ambident nucleophile?

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Question 14

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The major product obtained when 2-bromopentane is treated with alcoholic KOH is:

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Question 15

Objective

Grignard reagent (RMgX) reacts with water to form:

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Question 16

Objective

The C–Cl bond length in chlorobenzene (169 pm) is shorter than in chloromethane (177 pm) because:

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Question 17

Objective

In which of the following reactions does inversion of configuration occur?

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Question 18

Objective

Which of the following compounds undergoes SN1 reaction fastest?

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Question 19

Objective

p-Dichlorobenzene has a higher melting point than o- and m-dichlorobenzene because:

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Question 20

Objective

Sandmeyer's reaction is used to prepare aryl halides from:

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Chapter 6: Haloalkanes and Haloarenes | MCQs

In haloalkanes, the carbon-halogen bond is polarised such that:

The IUPAC name of (CH3)3CBr is:

Which of the following alkyl halides will undergo SN2 reaction most readily?

The reaction of alkyl halides with sodium in dry ether to form hydrocarbons is known as:

In SN1 reactions, the rate of reaction depends on:

Which reagent is preferred for converting an alcohol to an alkyl chloride because the by-products are gaseous and escape the reaction mixture?

The boiling points of alkyl halides for the same alkyl group follow the order:

Chloroform is stored in dark-coloured bottles completely filled to prevent its oxidation to:

Which of the following is an allylic halide?

The reaction of alkyl chloride/bromide with NaI in dry acetone to form alkyl iodide is called:

In an SN2 reaction, which of the following alkyl halides is least reactive?

A compound that rotates plane polarised light to the right is called:

Which of the following is an ambident nucleophile?

The major product obtained when 2-bromopentane is treated with alcoholic KOH is:

Grignard reagent (RMgX) reacts with water to form:

The C–Cl bond length in chlorobenzene (169 pm) is shorter than in chloromethane (177 pm) because:

In which of the following reactions does inversion of configuration occur?

Which of the following compounds undergoes SN1 reaction fastest?

p-Dichlorobenzene has a higher melting point than o- and m-dichlorobenzene because:

Sandmeyer's reaction is used to prepare aryl halides from:

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