Question # 1

If an organic compound 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 hav 8 hydrogen atoms

Its name will be n-butane.

It will be least reactive.

Alkanes do not react in

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Diffused sunlight

Dark

Bright sunlight

None of these

Which one is the formula of chloromethane.

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CH₂Cl₂

CCl₄

CHCl₃

CH₃Cl

Which is the substitution reaction in the following?

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Halogenation of alkenes

Halogenation of alkynes

Bromination of alkene

Halogenation of alkanes

Marsh gas is mostly consisted of.

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Butane

Propane

Ethane

Methane

Boiling point of alcohol in centigrade is.

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68

78

118

128

The process which convert vegetable oil into banaspati ghee called.

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Hydrogenation

Halogenation

a and b

None of these

By which process alkenes are prepared from alcohols:

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Dehelogenation

Dehydrogenation

Dehydration

Dehydro-halogenation

The end product of oxidation of acetylene is .

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Oxalic acid

Glyoxal

Glycol

None of these

In which one of the following is a substitution reaction?

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Halogenations of alkynes

Halogenations of alkenes

Halogenations of alkanes

Bromination of alkenes

Which is simplest alkane?

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CH₄

C₂H₈

C₂H₂

C₂H₄

When bromine water is added to acetylene its red-brown colour is changed into:

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red

green

violet

discharged

Oxidation of ethene with KMnO₄produces.

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oxalic acid

glyoxal

ethene glycol

Propene glycol

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