Question # 1

Maximum number of active hydrogens are present in

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Acetic-acid

Glycerol

Methane

Methanol

Ascorbic acid is a chemical name of

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Vitamin D

Vitamin A

Vitamin C

Vitamin B₆

Gooch crucible used to filter the solution of

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H₂SO₄

HCI

KMnO₄

Both B & C

The order of reactivity of halogens in aliphatic substitution reactions is

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Br2 > CI2 > F2

CI2 > Br2 > F2

CI2 CI2 > Br2

F2 > Br2 > CI2

Which of the following statement is correct if the intermolecular forces in liquids A, B and C are in the order A < B < C?

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B evaporates more readily than A

B evaporates less readily than C

A and B evaporates at the same rate

A evaporates more readily than C

When electricity is passed through molten AI₂O₃ + Na₃AIF₆ and 13.5 gms AI are deposited,the number of faraday must be

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0.5

1.0

1.5

2.0

Which of the following compounds has the lowest anion to cation size ratio?

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LiF

NaF

CsI

CsF

Bromine is obtained on a commercial scale from

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Caliche

Carnallite

Common satl

Cryolite

Which of the following has linear shape?

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SP

SP²

SP³

None of the above

Which one is not a pollutant normally?

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Hydrocarbons

Carbon dioxide

Carbon monoxide

Sulphur dioxide

Which of the following cannot be produced by acidic dehydration of alcohols?

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Ethers

Aldehyde

Alkyl Hydrogen sulphate

Alkene

The formula of nitre is

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KNO₃

NANO₂

NaCl

Na₂CO₃

Heating a micture of sodium benzoate and soda lime gives

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Benzene

Methane

Sodium benzoate

Calcium benzoate

Benezene is obtained by fractional distillation of

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Heavy oil

Anthracene oil

Middle oil

Light oil

Aryl halides are less reactive towards nucleophilic substitution reactions as compared to alkyl halides due to

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The formation of less stable carbonium ion

Resonance stabilization

Larger carbon -halogen bond

The inductive effect

Oleum is

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Castor oil

Oil of vitriol

Fuming of H₂SO₄

None of them

How many kinds of space lattices are possible in a crystal?

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23

7

230

14

Hydrogen chloride molecule contains

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Covalent bond

Double bond

Co-ordinate bond

Electrovalent bond

The main structure features of proteins is

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An ester linkage

An ether linkage

The peptide linkage

All

The halide which is not hydrolysed is

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SiCl₄

SiF₄

CCl₄

PbCl₄

Aldehydes are produce in atmosphere by

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Oxidation of secondary alcohols

Reduction of alkenes

Reaction of oxygen atoms with hydrocarbons

Reaction of oxygen atoms with ozone.

Which of the following alkali metal hydroxides is the strongest base?

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LiOH

NaOH

KOH

CsOH

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