Question # 1

The reactivity order of alkyl halides for a particular alkyl group is.

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Fluoride > Chloride > Bromide > Iodide

Chloride > Bromide >Chloride > Fluoride

Iodide > Bromide > Chloride > Fluoride

Bromide > Iodide > Chloride > Fluoride

Which of the following hydrogen halide is the weakest acid in solution

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HF

HBr

HI

HCl

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

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Hydrolysis

Oxidation

Esterification

Hydrogenation

Which of the following species is ortho and para director.

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CHO

SO3H

NO2

Cl

Which of the following is an addition polymer

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Polyester

Polystyrene

Nylon 6,6

Terylene

The reaction between concentrated H2SO4 and glucose give carbon and water. In this reaction H2SO4 acts as.

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An acid

An oxidising agent

Dehydrating agent

A reducing agent

The substance which is added to remove impurities is known as

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Slag

Flux

Ore

Gangue

The conversion of benzene to chlorobenzene is a

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Addition reaction

Elimination reaction

Substitution reaction

Dehydration process

The reaction of alkyl halides with sodium metal in the presence of ether to from alkane is known as.

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Wortz reaction

Frankland reaction

Sabatier sendron

Kolbe's synthesis

The chief of aluminum is

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Na₃AlF₆

Al₂O₃.2H₂O

Al₂O₃

Al₂O₃.H₂O

Formic acid is present in.

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Butter

Vinegar

Ant

Sunflower

The pH of unpolluted rain water should be

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5.00

5.60

6.50

7.00

Which is not used of Borax

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Softening of water

As medicine for washing eyes

As flux in metallurgical operations

To make quartz

The reacts with halogen acids to form alkyl halide the process is known as.

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Halogenation

Hydrohalogenation

Hydrogenation

Dehydrohalogenation

Phenol when distilled with zinc dust gives.

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Toluene

Benzaldehyde

Benzoic acid

Benzene

What type of reaction occurs between ethene and hydrogen.

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Addition

Substitution

Oxidation

Dehydration

Which of the following compounds will not give Iodoform test on treatment with I₂/ NaOH

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Acetaldehyde

Acetone

Butanone

3-Pentanone

Which is not a calcarious material.

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Lime

Clay

Marble

Marine shell

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