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CHXI13:HYDROCARBONS

318199 Which of the following gives propyne on hydrolysis?

1

{Al}_{4} C_{3}

2

{Mg}_{2} C_{3}

3

B_{4} C

4

{La}_{4} C_{3}

AIIMS - 2005

CHXI13:HYDROCARBONS

318200 Assertion :
Acetylene is formed when ethylene chloride or ethylidene chloride is heated with sodamide, ${NaNH}_{2}$ .
Reason :
Both geminal dihalides and vicinal dihalides on dehydrohalogenation form alkynes.

1 Both Assertion and Reason are correct and Reason is the correct explanation of the Assertion.

2 Both Assertion and Reason are correct but Reason is not the correct explanation of the Assertion.

3 Assertion is correct but Reason is incorrect.

4 Assertion is incorrect but reason is correct.

CHXI13:HYDROCARBONS

318201 Which of the following metal powder is used do convert trichloromethane into acetylene by heating the later with it ?

1

Na

2

Mg

3

Ca

4

Ag

Explanation:

$2CHC l_{3} + 6Ag \to C_{2} H_{2} + 6AgCl$

CHXI13:HYDROCARBONS

318202 The maximum number of carbon atoms arranged linearly in the molecule, ${CH}_{3} - C \equiv C - CH = {CH}_{2}$ is

1 2

2 3

3 4

4 5

CHXI13:HYDROCARBONS

318203 Which of the following organic compounds has the same hybridisation as its combustion product, ${CO}_{2}$ ?

1 Ethane

2 Ethyne

3 Ethene

4 Ethanol

Explanation:

The combustion reaction of ethylene is
$C_{2} H_{2} + \frac{5}{2} O_{2} \to 2 {CO}_{2} + H_{2} O$
Both $C_{2} H_{2}$ or $HC \equiv CH$ and ${CO}_{2}$ have "sp" hybridisation

CHXI13:HYDROCARBONS

318199 Which of the following gives propyne on hydrolysis?

1

{Al}_{4} C_{3}

2

{Mg}_{2} C_{3}

3

B_{4} C

4

{La}_{4} C_{3}

AIIMS - 2005

CHXI13:HYDROCARBONS

318200 Assertion :
Acetylene is formed when ethylene chloride or ethylidene chloride is heated with sodamide, ${NaNH}_{2}$ .
Reason :
Both geminal dihalides and vicinal dihalides on dehydrohalogenation form alkynes.

1 Both Assertion and Reason are correct and Reason is the correct explanation of the Assertion.

2 Both Assertion and Reason are correct but Reason is not the correct explanation of the Assertion.

3 Assertion is correct but Reason is incorrect.

4 Assertion is incorrect but reason is correct.

CHXI13:HYDROCARBONS

318201 Which of the following metal powder is used do convert trichloromethane into acetylene by heating the later with it ?

1

Na

2

Mg

3

Ca

4

Ag

Explanation:

$2CHC l_{3} + 6Ag \to C_{2} H_{2} + 6AgCl$

CHXI13:HYDROCARBONS

318202 The maximum number of carbon atoms arranged linearly in the molecule, ${CH}_{3} - C \equiv C - CH = {CH}_{2}$ is

1 2

2 3

3 4

4 5

CHXI13:HYDROCARBONS

318203 Which of the following organic compounds has the same hybridisation as its combustion product, ${CO}_{2}$ ?

1 Ethane

2 Ethyne

3 Ethene

4 Ethanol

Explanation:

The combustion reaction of ethylene is
$C_{2} H_{2} + \frac{5}{2} O_{2} \to 2 {CO}_{2} + H_{2} O$
Both $C_{2} H_{2}$ or $HC \equiv CH$ and ${CO}_{2}$ have "sp" hybridisation

CHXI13:HYDROCARBONS

318199 Which of the following gives propyne on hydrolysis?

1

{Al}_{4} C_{3}

2

{Mg}_{2} C_{3}

3

B_{4} C

4

{La}_{4} C_{3}

AIIMS - 2005

CHXI13:HYDROCARBONS

318200 Assertion :
Acetylene is formed when ethylene chloride or ethylidene chloride is heated with sodamide, ${NaNH}_{2}$ .
Reason :
Both geminal dihalides and vicinal dihalides on dehydrohalogenation form alkynes.

1 Both Assertion and Reason are correct and Reason is the correct explanation of the Assertion.

2 Both Assertion and Reason are correct but Reason is not the correct explanation of the Assertion.

3 Assertion is correct but Reason is incorrect.

4 Assertion is incorrect but reason is correct.

CHXI13:HYDROCARBONS

318201 Which of the following metal powder is used do convert trichloromethane into acetylene by heating the later with it ?

1

Na

2

Mg

3

Ca

4

Ag

Explanation:

$2CHC l_{3} + 6Ag \to C_{2} H_{2} + 6AgCl$

CHXI13:HYDROCARBONS

318202 The maximum number of carbon atoms arranged linearly in the molecule, ${CH}_{3} - C \equiv C - CH = {CH}_{2}$ is

1 2

2 3

3 4

4 5

CHXI13:HYDROCARBONS

318203 Which of the following organic compounds has the same hybridisation as its combustion product, ${CO}_{2}$ ?

1 Ethane

2 Ethyne

3 Ethene

4 Ethanol

Explanation:

The combustion reaction of ethylene is
$C_{2} H_{2} + \frac{5}{2} O_{2} \to 2 {CO}_{2} + H_{2} O$
Both $C_{2} H_{2}$ or $HC \equiv CH$ and ${CO}_{2}$ have "sp" hybridisation

CHXI13:HYDROCARBONS

318199 Which of the following gives propyne on hydrolysis?

1

{Al}_{4} C_{3}

2

{Mg}_{2} C_{3}

3

B_{4} C

4

{La}_{4} C_{3}

AIIMS - 2005

CHXI13:HYDROCARBONS

318200 Assertion :
Acetylene is formed when ethylene chloride or ethylidene chloride is heated with sodamide, ${NaNH}_{2}$ .
Reason :
Both geminal dihalides and vicinal dihalides on dehydrohalogenation form alkynes.

1 Both Assertion and Reason are correct and Reason is the correct explanation of the Assertion.

2 Both Assertion and Reason are correct but Reason is not the correct explanation of the Assertion.

3 Assertion is correct but Reason is incorrect.

4 Assertion is incorrect but reason is correct.

CHXI13:HYDROCARBONS

318201 Which of the following metal powder is used do convert trichloromethane into acetylene by heating the later with it ?

1

Na

2

Mg

3

Ca

4

Ag

Explanation:

$2CHC l_{3} + 6Ag \to C_{2} H_{2} + 6AgCl$

CHXI13:HYDROCARBONS

318202 The maximum number of carbon atoms arranged linearly in the molecule, ${CH}_{3} - C \equiv C - CH = {CH}_{2}$ is

1 2

2 3

3 4

4 5

CHXI13:HYDROCARBONS

318203 Which of the following organic compounds has the same hybridisation as its combustion product, ${CO}_{2}$ ?

1 Ethane

2 Ethyne

3 Ethene

4 Ethanol

Explanation:

The combustion reaction of ethylene is
$C_{2} H_{2} + \frac{5}{2} O_{2} \to 2 {CO}_{2} + H_{2} O$
Both $C_{2} H_{2}$ or $HC \equiv CH$ and ${CO}_{2}$ have "sp" hybridisation

CHXI13:HYDROCARBONS

318199 Which of the following gives propyne on hydrolysis?

1

{Al}_{4} C_{3}

2

{Mg}_{2} C_{3}

3

B_{4} C

4

{La}_{4} C_{3}

AIIMS - 2005

CHXI13:HYDROCARBONS

318200 Assertion :
Acetylene is formed when ethylene chloride or ethylidene chloride is heated with sodamide, ${NaNH}_{2}$ .
Reason :
Both geminal dihalides and vicinal dihalides on dehydrohalogenation form alkynes.

1 Both Assertion and Reason are correct and Reason is the correct explanation of the Assertion.

2 Both Assertion and Reason are correct but Reason is not the correct explanation of the Assertion.

3 Assertion is correct but Reason is incorrect.

4 Assertion is incorrect but reason is correct.

CHXI13:HYDROCARBONS

318201 Which of the following metal powder is used do convert trichloromethane into acetylene by heating the later with it ?

1

Na

2

Mg

3

Ca

4

Ag

Explanation:

$2CHC l_{3} + 6Ag \to C_{2} H_{2} + 6AgCl$

CHXI13:HYDROCARBONS

318202 The maximum number of carbon atoms arranged linearly in the molecule, ${CH}_{3} - C \equiv C - CH = {CH}_{2}$ is

1 2

2 3

3 4

4 5

CHXI13:HYDROCARBONS

318203 Which of the following organic compounds has the same hybridisation as its combustion product, ${CO}_{2}$ ?

1 Ethane

2 Ethyne

3 Ethene

4 Ethanol

Explanation:

The combustion reaction of ethylene is
$C_{2} H_{2} + \frac{5}{2} O_{2} \to 2 {CO}_{2} + H_{2} O$
Both $C_{2} H_{2}$ or $HC \equiv CH$ and ${CO}_{2}$ have "sp" hybridisation

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