Question # 1

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

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Carbonterachloride

Chloroform

Carbon Black

Chloromethane

Dichloromethane reacts with halogens in the presence of diffused sun light and produces

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Carbon tetrachloride

Chloroform

Chloromethane

No reaction

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

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

The end product of oxidation of acetylene is .

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Oxalic acid

Glyoxal

Glycol

None of these

Chloroform is used for

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Anesthesia

Fever

Link

Toys

Volatility of hydrocarbons deceases with:

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decrease of molecular mass

increase of molecular mass

increase of double or triple bonds

decrease of triple bonds

Which hydrocarbon has no effect on an aqueous solution of bromine.

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CH₄

C₁₀H₂₀

C₂H₂

C₂H₄

Dehydration means removal of.

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Water

Halogen

Hydrogen

All above.

The end product of oxidation of acetylene is.

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Propen glycol

Ethan glycol

Glyoxal

Oxalic acid

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

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red

green

violet

discharged

Dehydration of alcohols can be carried out with.

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NaOH

KOH

H₂SO₄

HCl

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