QBManager

For More Updates join with Us

CHXI13:HYDROCARBONS

317947 In which of the following reaction in the preparation of ethane a new $C - C$ bond is formed?

1 Sabatier-Senderen's reaction

2 Reduction of ethyl iodide

3 Decarboxylation

4 Kolbe's electrolysis

CHXI13:HYDROCARBONS

317948 Reduction of 2-methyl-1-bromopropane with metal and acid gives

1 butyl bromide

2 n-butane

3 isobutane

4 none of these

CHXI13:HYDROCARBONS

317949 Which method is suitable for preparation of higher alkanes from a lower alkyl halide?

1 Reduction

2 Hoffmann bromamide reaction

3 Hunsdiecker reaction

4 Wurtz reaction

Explanation:

$2R - C H_{2} - X + 2Na \overset{dry ether}{\to}$
$R - C H_{2} - C H_{2} - R + 2NaX$

CHXI13:HYDROCARBONS

317950 How many different isomers (including stereoisomers) of a monocarboxylic acid with the molecular formula $C_{6} H_{12} O_{2}$ on decarboxylation with soda lime will produce $n -$ pentane?

1 5

2 7

3 1

4 4

NEET DIGITAL LIBRARY

CHXI13:HYDROCARBONS

317947 In which of the following reaction in the preparation of ethane a new $C - C$ bond is formed?

1 Sabatier-Senderen's reaction

2 Reduction of ethyl iodide

3 Decarboxylation

4 Kolbe's electrolysis

CHXI13:HYDROCARBONS

317948 Reduction of 2-methyl-1-bromopropane with metal and acid gives

1 butyl bromide

2 n-butane

3 isobutane

4 none of these

CHXI13:HYDROCARBONS

317949 Which method is suitable for preparation of higher alkanes from a lower alkyl halide?

1 Reduction

2 Hoffmann bromamide reaction

3 Hunsdiecker reaction

4 Wurtz reaction

Explanation:

$2R - C H_{2} - X + 2Na \overset{dry ether}{\to}$
$R - C H_{2} - C H_{2} - R + 2NaX$

CHXI13:HYDROCARBONS

317950 How many different isomers (including stereoisomers) of a monocarboxylic acid with the molecular formula $C_{6} H_{12} O_{2}$ on decarboxylation with soda lime will produce $n -$ pentane?

1 5

2 7

3 1

4 4

Join With Us for More Updates

CHXI13:HYDROCARBONS

317947 In which of the following reaction in the preparation of ethane a new $C - C$ bond is formed?

1 Sabatier-Senderen's reaction

2 Reduction of ethyl iodide

3 Decarboxylation

4 Kolbe's electrolysis

CHXI13:HYDROCARBONS

317948 Reduction of 2-methyl-1-bromopropane with metal and acid gives

1 butyl bromide

2 n-butane

3 isobutane

4 none of these

CHXI13:HYDROCARBONS

317949 Which method is suitable for preparation of higher alkanes from a lower alkyl halide?

1 Reduction

2 Hoffmann bromamide reaction

3 Hunsdiecker reaction

4 Wurtz reaction

Explanation:

$2R - C H_{2} - X + 2Na \overset{dry ether}{\to}$
$R - C H_{2} - C H_{2} - R + 2NaX$

CHXI13:HYDROCARBONS

317950 How many different isomers (including stereoisomers) of a monocarboxylic acid with the molecular formula $C_{6} H_{12} O_{2}$ on decarboxylation with soda lime will produce $n -$ pentane?

1 5

2 7

3 1

4 4

For More Updates join with Us

Question Bank Series

01. Upto 1300 Quenstions
02. Answer Key
03. Explanations

WhatsApp Here

CHXI13:HYDROCARBONS

317947 In which of the following reaction in the preparation of ethane a new $C - C$ bond is formed?

1 Sabatier-Senderen's reaction

2 Reduction of ethyl iodide

3 Decarboxylation

4 Kolbe's electrolysis

CHXI13:HYDROCARBONS

317948 Reduction of 2-methyl-1-bromopropane with metal and acid gives

1 butyl bromide

2 n-butane

3 isobutane

4 none of these

CHXI13:HYDROCARBONS

317949 Which method is suitable for preparation of higher alkanes from a lower alkyl halide?

1 Reduction

2 Hoffmann bromamide reaction

3 Hunsdiecker reaction

4 Wurtz reaction

Explanation:

$2R - C H_{2} - X + 2Na \overset{dry ether}{\to}$
$R - C H_{2} - C H_{2} - R + 2NaX$

CHXI13:HYDROCARBONS

317950 How many different isomers (including stereoisomers) of a monocarboxylic acid with the molecular formula $C_{6} H_{12} O_{2}$ on decarboxylation with soda lime will produce $n -$ pentane?

1 5

2 7

3 1

4 4