Question # 1

Which halogen will react spontaneously with Au(s) to produce Au³⁺

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Br₂

F₂

I₂

Cl₂

Which one of the following compounds is the isomer of ethyl alcohol.

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CH3OH

CH4OCH3

CH5-CH(OH)CH3

CH3OC2H5

Oxidation of NO in air produces

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N₂O

N₂O₃

N₂O₄

N₂O₅

Which substance shows very weak hydrogen bonding with water.

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Methanol

Ethanol

Diethyl ether

Benzene

Number of peptide bonds in tripeptide is

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1

2

3

4

Which substance is used in photography

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AgCl

AgBr

AgI

Ag3PO4

What product are formed by the oxidative cleavage of 2-butene by alkaline KMnO4.

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Propionic acid and formic acid

Ethanoic acid only

Ethanal only

Water and ethanol

Which one of the following methods is used for the preparation of ether.

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Kolbe's reaction

Frankland reaction

Williamson synthesis

Down's process

The percentage of carbon is different types of iron products is in the order of.

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Cast iron > wrought iron > Steel

Wrought iron >Steel >Cast iron

Cast iron > Steel > Wrought iron

Acetic acid is manufactured by

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distillation

fermentation

ozonalysis

esterification

Which one of the following products is not formed when acetic acid reacts with PCl5

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C2H5Cl

HCl

POCl3

CH3COCl

What is clinker

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Roasted calcareous material

Roasted argillaceous material

Roasted calcareous and argillaceous material

Roasted gyposum

Which of the following acid can be used as a catalyst in Friedel Craft's reactions

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AlCl₃

HNO₃

BeCl₂

NaCl

Vinyl chloride when boiled with alcoholic KOH , gives

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Acetylene

Ethylene

Ethene

Ethyl alcohol

Keeping in view size of atoms ,which order is the correct one.

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Mg > Sr

Ba > Mg

Lu > Ce

Cl > I

The electrophile in Aromatic sulphonation is

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H₂SO₄

HSO₄^1-

SO₃

SO₃¹⁺

Which is insoluble in water.

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BeSO4

MgSO4

CaSO4

BaSO4

Which substance is used to convert ethanol to ethyl chloride

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SOCl2

PCl3

PCl5

All of these

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