Question # 1

The structure of XeF₆

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Distorted octahedral

Pyramidal

Tetrahedral

None of the above

The total pressure exerted by a number of non reacting gases is equal to the sum of partial pressure of the gases under the same conditions is known as

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Boyle's law

Charle's law

Avogadro's law

Dalton's law

Toluene can be oxidized to benzonic acid by

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KMnO4 (alk)

K₂Cr₂O₇(acidic)

Both

None

Which one of the following has the lowest boiling point?

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B

AI

Ga

Ti

Red lead is

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PbO

Pb₃O₄

PbO₂

Pb₄O₃

The reference calomel electrode is made from which of the following?

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ZnCI₂

CuSO₄

Hg₂CI₂

HgCI₂

The treatment of benzene with isobutene in the presence of sulphuric acid give

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Isobutyl benzene

Tert-Butyl benzene

n-Butyl benzene

no reaction

Heating a mixture of sodium benzoate and soda lime gives

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Methane

Benzene

Sodium benzene

Calcium benzoate

Phosphide ion has the electronic structure similar to that of

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Nitride ion

Fluoride ion

Sodium ion

Chloride ion

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

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Ethers

Aldehyde

Alkyl Hydrogen sulphate

Alkene

Oleum is

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Castor oil

Oil of vitriol

Fuming of H₂SO₄

None of them

Ozane is not

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An allotrope

A powerful oxidizing agent

Paramegnetic

a bent molecule

The most reactive compound for electrophilic nitration will be

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Benzyl chloride

Benzoic acid

Nitrobenzene

Chlorobenzene

Dehydration of glycerol give

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Propane

Propene

Acrolein

Benzene

Which of the following is directly related to Qualitative analysis?

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Identification

Separation

Measurement

Calculation

The last orbit of argon would have electrons

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8

18

2

6

Which of the following process is used to separate insoluble particles from liquids?

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Seperation

Filtration

Crystallization

Condensation

Which one of the following elements occurs free in nature?

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N

P

As

Sb

Sodium thisoulphate is used in photography because of its

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Oxidizing behaviour

Reducing behaviour

Complexing behaviour

Photochemical behavior

A zero order reaction is one whose rate is independent of

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Temperature of the reaction

The concentration of the reactants

The concentration of the products

The material of the vessel in which the reaction is carried out

Which is true for an element R present in group 13 of the periodic table?

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It is a gas at room temperature

It has oxidation state of +4

It forms R₂O₃

It forms RX₂

Octane number can be changed by

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Isomerisation

alkylation

Cyclisation

All of these

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