Alpha Question Bank for Medical: Chemistry>Chapter 22 - Hydrocarbons>Exercise 5>Q 21

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Formation of $2$ -butene from $2$ -bromobutane is according to

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Important Questions on Hydrocarbons

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Alpha Question Bank for Medical: Chemistry>Chapter 22 - Hydrocarbons>Exercise 5>Q 22

Acetylenic hydrogens are acidic because

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Alpha Question Bank for Medical: Chemistry>Chapter 22 - Hydrocarbons>Exercise 5>Q 23

Carbide, which react with water to give propyne is:

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Alpha Question Bank for Medical: Chemistry>Chapter 22 - Hydrocarbons>Exercise 5>Q 24

C a C_{2} + H_{2} O \to A \overset{H_{2} S O_{4} / H g S O_{4}}{\to} B

.

Identify

A

and

B

in the given reaction

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Alpha Question Bank for Medical: Chemistry>Chapter 22 - Hydrocarbons>Exercise 5>Q 25

The number of

π

-bonds in the product formed by passing acetylene through dilute sulphuric acid containing mercuric sulphate is:

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Alpha Question Bank for Medical: Chemistry>Chapter 22 - Hydrocarbons>Exercise 5>Q 26

Question Image Optical isomers of the product formed are :

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Alpha Question Bank for Medical: Chemistry>Chapter 22 - Hydrocarbons>Exercise 5>Q 27

Which one of the following reactions would be the best for the formation of

2

-bromobutane
(1)

{CH}_{3} CH = {CHCH}_{2} {CH}_{3} \overset{HBr}{\to}

(2)

{CH}_{3}^{} {CH}_{2} CH = {CH}_{2} \overset{HBr}{\to}

(3)

{CH}_{3} CH = {CHCH}_{3} \to_{}^{HBr}

(4)

{CH}_{3} {CH}_{2} {CH}_{3} = {CH}_{2} \to_{Peroxide}^{HBr}

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Alpha Question Bank for Medical: Chemistry>Chapter 22 - Hydrocarbons>Exercise 5>Q 28

On halogenation, an alkane gives only one monohalogenated product. The alkane may be:

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Alpha Question Bank for Medical: Chemistry>Chapter 22 - Hydrocarbons>Exercise 5>Q 29

Which of the following compounds can be best prepared by Wurtz-reaction?