Question # 1

Halogenation of alkanes in the presence of diffused sunlight takes place.

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Suddenly, only in one step

Slowly in one step

In a series of step

Fastly in two steps

Alkanes are produced in large amounts by cracking of

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Natural gas

Petroleum

Benzene

Xylol

Boiling point of alcohol in centigrade is.

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68

78

118

128

Incomplete combustion of alkanes produce.

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Carbon dixoide only

Carbon monoxide only

Carbon monoxide carbon black and water

Carbon dioxide and carbon black

Carbon black is used in the manufacture of.

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Dry cleaning

Shoe polishes.

Fertilizer

None of these

Alkynes are also called.

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Olefine

Ethene

Paraffins

Acetylenes

A hydrocarbon has molecular formula C₈H₁₄. What is the molecular formula of the next number of the same homologous series.

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C₉H₁₈

C₉H₁₆

C₉H₂₀

C₉H₁₂

Carbon Tetra chloride is used in .

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Fertilizer

Dry cleaning

Metallurgy

Anesthesia

General formula of alkenes.

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C_n H_2n-2

C_nH_2n

C_nH_2n+2

C_nH_2n-1

Hydrogenation of vegetable oil to convert it into banaspatic ghee is carried out in the presence of catalyst:

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Ni-metal

Zn-metal

Na - Metal

Fe2O3

Molecular formula of butyne is .

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C₄H₆

C₃H₄

C₄H₇

C₄H₈

The reduction of alkyl halides takes place in the presence of

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Zn/HCl

Na/HCl

Mg/HCl

Cu/HCl

Ethyne is oxidized by alkaline KMnO₄ then ....... hydroxyl group add to the triple bond.

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Two

Three

Four

Five

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