Question # 1

Alkanes do not react in

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Diffused sunlight

Dark

Bright sunlight

None of these

Carbon Tetra chloride is used in .

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Fertilizer

Dry cleaning

Metallurgy

Anesthesia

Hydrogenation of alkenes and alkynes takes place at room temperature in the presence of.

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Ni

Pt

Pd

Both a and b

Ethylene glycol can be prepared with the reaction of KMnO₄ and _____

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CH = CH

CH₃ - CH₃

CH₃CH₂CH₃

CH₂= CH₃

Which one of these is a saturated hydrocarbon?

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C₂H₄

C₃H₆

C₄H₈

C₅H₁₂

The order of reactivity of hydrogen halides with alkenes is:

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HI>HBR

HBr>HI

HCl>HBr

HBr>HCl

Ethylene is present is natural gas sometimes to the extent of .

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10%

20%

30%

40%

Which are called paraffines?

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Alkyle

Alkynes

Alkenes

Alkanes

Halogenation of methane produces following valuable chemical compounds used as solvents except.

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Carbonterachloride

Chloroform

Carbon Black

Chloromethane

How trace amount of acetylene present in the coat gas.

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0.06%

0.07%

0.08%

0.09%

Oxidation of alkenes produce.

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Glyoxal

Glycol

Oxalic acid

Formic acid

Oxidation of Ethene with KMnO₄ produces.

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Oxalic acid

Glyoxal

Ethene Glycol

Propene glycol

Alkanes are produced in large amounts by cracking of

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Natural gas

Petroleum

Benzene

Xylol

The reduction of alkyl halides takes place in the presence of

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Zn/HCl

Na/HCl

Mg/HCl

Cu/HCl

Dehydration means removal of.

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Water

Halogen

Hydrogen

All above.

The molecular formula of the first three members of the alkane hydrocarbons are CH_4,C₂H₆ and C₃H₈. What is the molecular formula for the eight alkane member, octane, which is found is petrol?

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C₈H₈

C₈H₁₆

C₈H₁₈

C₈H₂₀

How many percent of natural gas is consisted of methane.

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60%

70%

80%

85%

Which compound do not produce in the halogenation of methane.

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Chloroform

Carbon tetrachloride

Carbon black

Chloromethane

Which of following dehydration of alcohols take place:

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NaOH

KOH

H₂SO₄

HCl

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