Question # 1

Linear shape is associated with set of hybrid orbitals

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SP

sp²

dsp²

sp³

Which substance is used to convert Grignard reagent to alkane.

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H2O

NH3

Ethyl alcohol

All of these

Preparation of vegetable ghee involves.

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Halogenation

Hydrogenation

Hydroxylation

Dehydrogenation

Which set of Hybrid orbital has planner triangular shape

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sp

sp²

dsp²

sp³

The solution of which acid is used for seasoning of food

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Benzoic acid

Butanoic acid

Formic acid

Acetic acid

Which acid can not be stored in glass bottles.

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HCl

HF

H2SO4

HNO3

Which halogen will react spontaneously with Au to produce Au3+

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Br2

F2

I2

Cl2

d -block elements which show anomalous configuration in first series are

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Cr and Ni

Cr and Cu

Cu and CO

Fe and Ni

What is Glacial acetic acid

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Pure acetic acid

95% acetic acid

a mixture of acetic acid and glycerol

Vinegar

The pH of unpolluted rain water should be

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5.00

5.60

6.50

7.00

Which process is used to convert vegetable oil to vegetable ghee.

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Hydrolysis

Oxidation

Esterification

Hydrogenation

Which one of the following oxides is amphoteric in nature.

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MgO

Na2O

SO2

ZnO

Which is an aromatic compound

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Anthracene

Naphthalene

Toluene

All of the these

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

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Br₂

F₂

I₂

Cl₂

A polymeric substance that is formed in the liquid state and then hardened to a rigid solid is called a

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fibre

plastic

varnish

polyamide resin

Basicity of ortho phosphoric acid is.

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1

2

3

4

Cannizzaro's reaction is given by

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Acetaldehyde

Formaldehyde

Propanal

Propanone

Which one is a disaccharide

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Glucose

Sucrose

Fructose

Cellulose

Ecosystem is a smaller unit of

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lithospher

hydroshper

atmosphere

biosphere

Which one of the following is a condensation polymer

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Polystyrene

Polyester

Polyethene

Nylon 6,6

Zwitter ion is

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Dipolar ion

Amino acid with two amino groups

Amino acid with two carboxylic acid group

A synthetic amino acid

When methane reacts with Cl₂in the presence of diffused light the products obtained are

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Chloroform only

Carbon tetrachloride only

Chloromethane and dichloromethane

Mixture of a, b, c

In which substance silicon is not present.

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Talc

Asbestos

Dolomite

Zirocon

Ethers show the phenomenon of

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Position Isomerism

Functional group isomerism

Metamerism

Chain isomerism

Grignard reagent is reactive due to

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The presence of halogen atom

The presence of Mg atom

The polarity of C -Mg bond

None of the above

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