Question # 1

Organic compounds contain:

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ionic bond

Covalent bond

Metallic bond

Co-ordinate covalent

The functional group -COOH is found in.

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Aldehydes

Esters

Carboxylic acids

alcohols

The black residue of the coal tar is called:

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peat

lignite

pitch

matte

Hydrogen atoms preset in pentane are.

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10

12

14

16

Alkyl radical is derivative of

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Alkane

Alkene

Alkyne

All

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 does ot contain protein

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Pulses

Potatoes

Beans

eggs

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

Main component of Natrual gas.

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CH₃

CH₄

C₂H₆

C₂H₂

Coal is blackish complex mixture of compounds of

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Carbon

Hydrogen

oxygen

All

Coal having 90% carbon contents is called.

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Peat

Lignite

anthracite

bituminous

General formula of alkyl radical is

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C_nH_2n+2

C_nH_2n-2

C_nH_2n+1

C_nH_2n

Which one contains double covalent bound?

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Pentane

Ethylene

Acetylene

All

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