Question # 1

Substitution reaction is the characteristics of.

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Alkenes

Alkynes

Alkanes

None of these

The branch of chemistry which deals with the study of hydrocarbons and their drivatives is known as

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Inorganic chemistry

Nuclear chemsistry

Organic chemistry

Biochemistry

What percent of natural gas consists of methane

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81%

84%

85%

83%

Alkenes are produced in large amounts by cracking of.

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Petroleum

Natural gas

Benzene

Xylol

Which of the following is not a process of halogenation of alkanes.

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Chlorination

Iodination

Cracking

Bromination

Which of the following is considered a parent organic compound.

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Alkenes

Alkanes

Alkynes

Aromatics

The catalyst used for cracking of naphtha is

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Common salt

Ni

Washing soda

Zeolite

Alkynes are produced in large amounts by cracking of

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Xylol

Petroleum

Natural gas

Benzene

The valancey of carbon is

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1

2

3

4

Which one of the forllowing is a substitution reaction.

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Halogenation of alkanes

Halogenation of alkenes

Bromination of alkenes

Halogenation fo alkynes

During the process of cracking naphtha is heated up to.

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300 oC

400 oC

500 oC

600 oC

If naphtha undergoesa combustion reactin what products do yu expect to form

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Alkanes

Alkenes

CO2 and H2O

Both alkanes and alkenes

If an organic compund has 4 carbon atoms . All singly bonded. It will have the following characteristics except one.

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It will be saturated hydrocarbon

It will be least reactive

It name will be n-butane

It will have 8 hydrogen atoms

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