Question # 1

Venyl acetylene combines with HCl in

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Polyacetylene

Benzene

Chloroprene

divinyl acetylene

Which is called marsh gas

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S2Cl2

SOCl2

CH4

CHBr3

Which one of the following substances have garlic odour and a colourless gas.

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CH3OH

HCOOH

CH2=CH2

HC= CH

Formula of chloroform is

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CH₃Cl

CCl₄

CH₂Cl₂

CHCl₃

Synthetic rubber is made by polymerization of

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Vinylaecetate

Acetylene

Divinylacetylene

Chloroprene

A gas decolorizes alkaline KMnO4 but has no action with ammoniacal AgNO3, this gas may be

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C2H2

C2H4

C2H6

CH4

Formula of choloroform is

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CH₃Cl

CCl₄

CH₂Cl₂

CHCI₃

Acetylene reacts with ammoniacal cuprous chloride a red ppt is formed. This red ppt is of

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Copper chlorite

Coper chlorate

Cupric oxide

Copper acetylide

Vinyl acetylene combines with HCl to form

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Polyacetylene

Benzene

Chloroprene

Divinyl acetylene

Preparation of vegetable ghee involves

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Halogenation

Hydrogenation

Hydroxylation

Dehydrogenation

Which compound is least reactive

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CH3-CH3

CH2=CH2

CH=CH

C6H6

Ethyne on oxidation with strong alkaline KMnO4 changes to

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Ethyl alcohol

Acetaldehyde

Vinyl alcohol

Glyoxal

The catalytic oxidation of methane produces

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CO + H₂O

CO₂+ H₂O

C₂+ H₂O

H₃C - OH

Which substance is formed by the catalytic oxidation of methane at 100 ^oC, 200 atmospheric pressure and copper catalyst

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Methanol

Methanal

Methanoic acid

All of these

When ethyl alcohol is heated with conc. H2SO4 it produces ethene. The temperature required is as proximately

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100 ^oC

78 ^oC

Above 200 ^oC

140- 170 ^oC

Raney Nickel is

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Nickel compound

Naturally occurring nickel

Spongy form of a nickel

Alloy of nickel

The addition of unsymmetrical reagent to an unsymmetrical alkene is in accordance with the rule

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Hund's rule

Markownikov's rule

Pauli's Exclusion Principle

Aufbau Principle

Which one of the followings is not observed in the combustion of pure methane in a plentiful supply of air

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Water in produced

CO2 is produced

The flame is smoky

Energy is released

Synthetic rubber is made by polymerization of.

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Chloroform

Acetylene

Divinylactylene

Chloroprene

In which reactions alkane is not produced

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Subatier's and Sendern reaction

Koibe's reaction

Wolf -Kishner's reduction

Dow's process

Which one of the following compounds will form red precipitate with ammoniacal cuprous chloride

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Acetylene

Ethylene

Benzene

Methane

Which one is alcylic compound

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Pyridine

Toluene

Ethyl Benzene

Ethylcyclobutane

The addition of unsymmetrical reagent to an unsymmetrical alkene is in accordance with the rule

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Hund's rule

Markowikov's rule

Pauli's Exclusion Principle

Aufbau Principle

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