Question # 1

Linear geometry is present in:

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Sp³

Sp²

Sp

D²sp³

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1, 5-pentadiene

Penta-1, 4-diene

1, 1-pentadiene

1, 4-pentene

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0

1

2

3

The catalyst,. which is used as specialist for cracking, are

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Aluminates

Alumlnosilicates

Aluminium slats

All can be used

Wohler succeeded in obtaining, urea from

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Cyanogen

Ammonium cyanate

Ammonium hydroxide

None of these

At present oil refineries in Pakistan are:

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One

Two

Three

Four

Source of organic compounds primarily is:

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Plants

Animals

Minerals

A & B

Which of the following pair contains isomers of each other

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Propanoic acid and propanone

Acetone and acetaldehyde

Ethyl alcohol and diethyl ether

Methyl alcohol and dimethyl ether

Types of cracking are:

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Thermal

Catalytic

Steam

All a, b ,c

Carboxylic acid, ester, amide and amino groups are shown. Which is the correct description of these functional groups

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Organic compounds are soluble in all except

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Benzene

Petroleum

Ether

Water

Organic compounds resemble to those of inorganic compounds having same

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Ionic properties

Carbon forming long chain or rings

Chemical forces

Isomerism

Which gasoline is better?

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Of low boiling point

Of low molecular mass

Of high octane

All of these

The major components of coal gas are

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Hydrogen and methane

Ethane and carbon monoxide

Nitrogen and ethane

Ethane and carbon dioxide

Sp³hybridization occurs when carbon is bound to

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Four other atoms

Three other atoms

Two other atoms

One other atoms

I-Chloropropane has two isomers, it is an example of

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Chain isomerism

Position isomerism

Functional group isomerism

Metamerism

Alkynes normally have ______ hybridization

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Sp

Sp²

SP³

d sp³

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

The next homologue of C₁₀H₂₂will be

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C₉H₂₀

C₁₂H₂₆

C₁₁H₂₄

C₁₃H₂₈

Wohler synthesized first of all the organic compound:

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Carbohydrates

Urea

Aniline

Toluene

Catenation is a process in which carbon shows the properties of making

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Multiple bonds

Hybridization

Long chains or rings of carbon atom

Showing isomerism

The destructive distillation of coal gives three products. What is not the product of destructive distillation of coal

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Coal gas

Carbon dioxide

Coal tar

Coke

The quality of petroleum is determined by

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Decane number

Octane number

Nexane number

None of these

A free radical reaction takes place in three steps, initiation, propagation and terminations. Which of the following expression represents a propagation step

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The gasoline having octane No. 100 has ______

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More knocking

Less knocking

No knocking

Only knocking

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

Normal by product of cracking is

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Ethane

Butane

Benzene

All of them

Vital force theory was rejected by

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Berzellius

Kolbe

Wholer

Lavoiser

Benzene is an example of

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Aromatic compound

Cyclic compound

Aliphatic compound

A cyclic compound

Polythene is a polymer of

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Ethane

Ethene

Acetone

Propylene

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

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