Question # 1

Identify the compound formed, when ethylene combines with water in the presence of 10% sulphuric acid and HgSO₄as catalyst

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Carbinol

Methanol

Ethanol

Glycol

Self linkage of carbon to produce long chains

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isomerism

Polymorphism

Polymerization

Catenation

Which of the following gases is used for illuminating purpose?

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Methane

Ethane

Propane

Butane

Which set of hybrid orbitals has planar triangle shape?

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sp³

sp

sp²

dsp²

Organic compounds generally react at ______ rates

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Slow

Fast

Moderate

None of them

Select from the following the one which alcohol

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Alkanes normally have ______ hybridization

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Sp

Sp²

Sp³

d sp³

A double bond consists of:

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Two sigma bonds

One sigma and one pi bonds

One sigma and two pi bonds

Two pi bonds

The characteristic reactions of alkanes are

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Addition reactions

Substitution reactions

Condensation reactions

Polymerization reactions

The compounds which have any atom other than Carbon atom, in rings are called as

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Monocyclic

Heterocyclic

Homocyclic

None of the above

How many structural acid cis-trans isomers are there for dichloroprepe, C₃H₄Cl₂

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3

5

6

7

Homologues differ from each other by an integral number of

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CH₂groups

CH₃groups

CH groups

CH₄groups

Cracking done at low pressure and with a catalyst is called _______ cracking

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Thermal

Catalytic

Steam

None of them

Acetylene had a characteristic ethereal smell resembling that of

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Ginger

Vinegar

Garlic

Onion

The essential component of organic compound is

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O

C

P

N

Sp³hybridization occurs when carbon is bound to

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Four other atoms

Three other atoms

Two other atoms

One other atoms

Identify the hydrocarbon formed, when ethyl bromide reacts with, alcoholic KOH at 100°

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Methane

Ethane

Ethene

Ethyne

The gasoline with high octane No. has ______

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More knocking

Less knocking

No knocking

Only knocking

In alkynes the bonds between carbon atoms are

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All sigma bonds

All pi(π) bonds

One is sigma and two areπ(pi) bonds

One isπ(pi) and two are sigma bonds

Products of coal is:

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Peat

Lignite

Bituminous coal

All above

Quality of fuel is judged from its octane number. The best fuels are

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Straight chain hydrocarbons

Branched chain hydrocarbons

Cyclic compounds

Compounds containing benzene ring

Major component of natural gas is:

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Ethane

Ethene

Propane

Methane

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2, 2, 4-trimethylpentane

2, 4, 4-trimethylpentane

2, 4, 4-methyepentane

2, 2, 4-methylpentane

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0 1

0 2

1 1

1 2

Rates of organic reactions are

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Fast

Very fast

Slow

Non-reactive

In t-butyl alcohol, the tertiary carbon is bonded to:

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Two hydrogen atom

Three hydrogen atoms

One hydrogen atoms

No hydrogen atoms

The state of hybridization of carbon atom in methane is

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sp³

sp²

sp

dsp²

Due to the bacterial action on wood it is converted into

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Peat

Lignite

Bituminous coal

Anthracite

Which one of the followings is a heterocyclic compound

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Cyclohexanol

Phenol

Pyridine

Anthracene

The active part in a molecule is called

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Homologous series

Functional group

Chemical bonding

Ionic complex

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Addition Elimination

Addition Reduction

Elimination Reduction

Substitution Elimination

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ECAT Chemistry Chapter 18 Fundamental Principles of Organic Chemistry Online Test MCQs With Answers

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