Question # 1

Which of the following compounds contains a triple bond?

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Alkane

Alkene

Alkyne

Benzene

Tetraethyle lead causes disease:

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Typhoid

Respiratory

Stomach

Muscular

Angle 120° is observed in molecules :

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CH₄

CH_3-CH₃

CH -CH

CH_{2 =}CH₂

In which molecule carbon atom is sp²hybridized

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CH₄

C₂H₄

C₂H₂

None of the above

Which of these always applies to a nucleophile

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It attacks a double bond

It has a lone pair of electrons

It is single atom

It is negatively charged

Organic compounds generally react at ______ rates

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Slow

Fast

Moderate

None of them

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

Replacement of hydrogen atom by - SO₃H group in benzene is called

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Nitration

Alkylation

Sulphonation

Acylation

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

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