Question # 1

Phenol on heating with concentrated nitric acid forms

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o-nitrophenol

T.N.T

Na2CO3

Cyclohexanol

Which of the following is an addition polymer

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Polyester

Polystyrene

Nylon 6,6

Terylene

Which one of the following has lowest first ionization energy.

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Li

Na

Rb

Cs

Cannizzaro's reaction is given by

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Acetaldehyde

Formaldehyde

Propanal

Propanone

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

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

Which one of the following polymers is called a polyamide

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Nylon

Rayon

Terylene

Orlon

The brown gas formed when metal reduces HNO₃

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N₂O₅

N₂O₃

NO₂

NO

The aqueous solution of which substances is green in colour

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K2CrO4

K2CrO7

KMnO4

K2MnO4

Fungicides are teh pesticides which

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Control the growth of fungus

Kill insects

Kill plant

Kill herbs

Which carbohydrate is called animal starch

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Glucose

Fructose

Glycogen

Starch

Ethyl alcohol on reacting with orthoboric acid form

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Ethyl borate

Boric acid

Boron acetate

Borax

NH4NO3 on heating at 200 ^oC changes to

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N2O

NO

NO2

N2O4

Which one of the following alcohols will be formed when ethyl magnesium bromide reacts with acetone.

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Primary alcohol

Secondary alcohol

Tertiary alcohol

Dehydrin alcohol

Systematic name of phthalic acid is

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Benzenedicarboxylic acid

Benzene doioc acid

1,2 benzenedicarboxylic acid

o, carboxylic benzoic acid

Aluminum oxide is

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acidic oxide

basic oxide

amphoteric oxide

none of these

Which one of the following will be required to form ethene from ethyl chloride.

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Alcoholic KOH

Aqueous KOH

Alkaline KMnO4

Bromine

Which one of the following elements exhibits s-inert pair effect.

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B

Al

Pb

Sc

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