Question # 1

General formula of Alkynes is.

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C₆H_2n-2

C_nH_2n+2

C₁₁H_2n-2

C_nH_2n-2

The coal in which the percentage of carbon is 60%

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Peat

Lignite

Bituminous

Anthracit

Molecular formula of butane is

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C₄H₈

C₄H₁₀

C₄H₁₂

C₄H₆

Who was prepared acetic acid in laboratory?

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Berzelius

Wohler

Kolbe

Dalton

Hydrogen atoms preset in pentane are.

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10

12

14

16

Which one of the following compounds is an aldehyde?

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CH₃-CH₂-OH

CH₃-COOH

CH₃CHO

CH₃COCH₃

Bond energy of C-C is.

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200 KJmol^-1

452 KJmol^-1

300 KJmol^-1

355 KJmol^-1

Aromatic compounds are given this name because of;

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smell they have

slippery touch they have

bitter taste they have

sour taste they have

Carbonization process is the conversion of

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Coal into coal gas

Coal into wood

Wood into coal

Wood into coal tar

The general formula of alkane is

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C_nH_2n+2

C_nH_2n-2

C_nH_2n

C_nH_2n+1

General formula of Alkyl radical is..

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C₆H_2n-2

C_nH_2n+2

C₁₁H_2n-1

C_nH_2n-2

Which one of the following is not a fossil fuel?

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Coal

Natural gas

Bio gas

Petroleum

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