Liquid hydrocarbons can be converted to a mixture of gaseous hydrocarbons by

1. Oxidation

2. Cracking

3. Distillation under reduced pressure

4. Hydrolysis

Subtopic: Aliphatic Hydrocarbon- Physical Properties |

64%

NEET - 2010

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Q42:

Which of the following compounds will not undergo Friedal-Craft’s reaction easily:

1. Xylene
2. Nitrobenzene
3. Toluene
4. Cumene

Subtopic: Aromatic Hydrocarbons - Benzene - Structure, Preparation & Chemical Reactions |

73%

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AIPMT - 2013

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Q43:

Which of the following organic compounds has the same hybridization as its combustion product i.e (CO₂) :

1. Ethane

2. Ethyne

3. Ethene

4. Ethanol

Subtopic: Aliphatic Hydrocarbon - Methods of Preparation | Alkanes, Alkenes and Alkynes - Chemical Properties |

72%

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AIPMT - 2014

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Q44:

Identify Z in the sequence of reactions:
${CH}_{3} {CH}_{2} CH = {CH}_{2} \to_{H_{2} O_{2}}^{HBr} Y \overset{C_{2} H_{5} ONa}{\to} Z$

1. $C H_{3} - (C H_{2})_{3} - O - C H_{2} C H_{3}$

2. $(C H_{3})_{2} C H_{2} - O - C H_{2} C H_{3}$

3. $C H_{3} (C H_{2})_{4} - O - C H_{3}$

4. $C H_{3} C H_{2} - C H (C H_{3}) - O - C H_{2} C H_{3}$

Subtopic: Alkanes, Alkenes and Alkynes - Chemical Properties |

70%

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AIPMT - 2014

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Q45:

The reaction of C₆H₅CH=CHCH₃ with HBr produces,

1.	$C_{6} H_{5} \underset{Br}{\underset{\|}{CH}} {CH}_{2} {CH}_{3}$
2.	$C_{6} H_{5} {CH}_{2} \underset{Br}{\underset{\|}{CH}} {CH}_{3}$
3.	$C_{6} H_{5} {CH}_{2} {CH}_{2} {CH}_{2} Br$
4.

Subtopic: Alkanes, Alkenes and Alkynes - Chemical Properties |

84%

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NEET - 2015

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Q46:

2,3-dimethyl-2-butene can be prepared by heating which of the following compounds with a strong acid?

1. ${({CH}_{3})}_{2} CH - \underset{{CH}_{3}}{\underset{|}{CH}} - CH = {CH}_{2}$

2. ${({CH}_{3})}_{3} C - C H = C H_{2}$

3. ${({CH}_{3})}_{2} C = C H - C H_{2} - C H_{3}$

4. ${({CH}_{3})}_{2} C H - C H_{2} - C H = C H_{2}$

Subtopic: Alkanes, Alkenes and Alkynes - Chemical Properties |

From NCERT

NEET - 2015

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Q47:

In the reaction with HCl, an alkene reacts in accordance with Markovnikov's rule, to give a product 1-chloro-1-methylcyclohexane. The possible alkene is:

1.		2.
3.	(1) and (2)	4.

Subtopic: Alkanes, Alkenes and Alkynes - Chemical Properties |

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NEET - 2015

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Q48:

Consider the nitration of benzene using mixed conc. H₂SO₄ and HNO₃. If a large amount of KHSO₄ is added to the mixture, the rate of nitration will be

1. slower
2. unchanged
3. doubled
4. faster

Subtopic: Common Ion Effect |

57%

NEET - 2016

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Q49:

In the reaction,

H - C \equiv CH \to_{(ii) {CH}_{3} {CH}_{2} Br}^{(i) {NaNH}_{2} / liq . {NH}_{3}} X \to_{(ii) {CH}_{3} {CH}_{2} Br}^{(i) {NaNH}_{2} / liq . {NH}_{3}} Y

X and Y are:

1. X = 2 –Butyne; Y = 3 –Hexyne
2. X = 2 – Butyne; Y = 2-Hexyne
3. X = 1-Butyne; Y = 2-Hexyne
4. X = 1 – Butyne; Y = 3 – Hexyne

Subtopic: Alkanes, Alkenes and Alkynes - Chemical Properties |

54%

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NEET - 2016

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Q50:

The compound

C_{7} H_{8}

undergoes the following reactions :

C_{7} H_{8} \overset{3 {Cl}_{2} / ∆}{\to} A \overset{{Br}_{2} / Fe}{\to} B \overset{Zn / HCl}{\to}

C
The product 'C' is

1. m–Bromotoluene
2. o–Bromotoluene
3. 3–Bromo–2,4,6–trichlorotoluene
4. p–Bromotoluene

Subtopic: Aromatic Hydrocarbons - Benzene - Structure, Preparation & Chemical Reactions |

NEET - 2018

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Liquid hydrocarbons can be converted to a mixture of gaseous hydrocarbons by

1. Oxidation

2. Cracking

3. Distillation under reduced pressure

4. Hydrolysis

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Liquid hydrocarbons can be converted to a mixture of gaseous hydrocarbons by

1. Oxidation

2. Cracking

3. Distillation under reduced pressure

4. Hydrolysis