Question # 1

Which of the following alcohols cannot be produced by treatment of aldehydes or ketones with NaBH₄or LiAIH₄?

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1-Propanol

2-Propanol

2-Methyl-2-propanol

Ethanol

Which of the following nitrogen fertilizer contain more nitrogen

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NaNO₃

KNO₃

NH₄NO₃

Urea

The halide which is not hydrolysed is

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SiCl₄

SiF₄

CCl₄

PbCl₄

Sea weeds are important source of

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Iron

Chlorine

Iodine

Bromine

Which one of the halogen acid is a liquid?

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HF

HCl

HBr

Hl

Carbon atom holding halogen in aryl halides is

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sp²-hybridesed

sp³-hybridesed

sp-hybridesed

sp³d-hybridesed

Potassium is kept in

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Water

Ammonia

Alcohol

Kerosene.

Which one is primary alcohol?

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Buten-2-ol

Propan-2-ol

Butaon-1-ol

2, 3-Dimethylhexane-4-ol

Ethanol containing some methanol is called

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Absolute spirit

Rectified spirit

Power alcohol

Methylated spirit

The alkali metal which is liquid at 15°C is

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K

Cs

Na

None

Number of elements present in the fifth period of periodic table is

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8

10

18

32

Fluorine does not show positive oxidation states due to the absence of

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d-orbitals

s-orbitals

p-orbitals

None

Which of the following oxides is peroxide?

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Na₂O₂

MnO₂

BaO

SO₂

White P when boiled with strong solution of caustic soda produces

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Phosphine

Posh acid

Phosphorous acid

None

The most reactive compound for electrophilic nitration will be

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Benzyl chloride

Benzoic acid

Nitrobenzene

Chlorobenzene

Bleaching action of bleaching powder is due to the liberation of

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O₂

OCl^-

Cl₂

Cl^-

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