Question # 1

Which of the following the highest hydration energy

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Li⁺

Na⁺

K⁺

Mg⁺⁺

The oxidation of NO in air produces

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N₂O₃

NO₂

N₂O₃

N₂O₄

Oxides of alkaline earth metal are

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Acidic

Basic

Neutral

Amphoteric

Which of the following is not directly prepared from CH₃COOH

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Ethyl acetate

Acetyl chloride

Acetic anhydride

Acetamide

The temperature in the incineration of industrial and hazardous waste process has a range.

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900 to 1000 ^oC

250 to 500^oC

950 to 1300^oC

500 to 900^oC

Laughing gas is chemically

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NO

NO₂

N₂O

N₄O₄

Which reagent will react with both aldehyde and ketones

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Grignard reagent

Tollen's reagent

Fehling's reagent

Benedict's reagent

Which one of the following comp9ounds on hydrolysis will not produce a carboxylic acid.

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Alkyl halide

Alkyl Nitrite

Addition product of Grignard reagent and CO2

Ester boiled with sodium hydroxide

Sodalime is

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NaOH

Mixture of Na and Ca(OH)2

KOH

Mixture of CaO and NaOH

A quality of raw water is improved by

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Reduction

Aeration

Dehydration

Incineration

f-block elements are also called

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non typical transition elements

outer transition elements

normal transition elements

inner transition elements

Photochemical smog mainly consist of

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Higher hydrocarbons

Oxidising agnts

Reducing agent

All of these

Systematic name of phthalic acid is

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Benzenedicarboxylic acid

Benzene doioc acid

1,2 benzenedicarboxylic acid

o, carboxylic benzoic acid

Vinyl chloride when boiled with alcoholic KOH , gives

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Acetylene

Ethylene

Ethene

Ethyl alcohol

Which of the following specie has the maximum number of unpaired electrons.

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O2

O2+

O2-

O2^-2

The normal amount of overhead ozone is.

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300 DU

350 DU

400 DU

450 DU

Which one of the following products will be formed in Wurtz reaction when sodium metal reacts with ethyl chloride in anhydrous ether.

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Methane

Ethane

Propane

Butane

Air of the following tests are used to identify aldehydes except.

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Tollen's test

Fehling test

Baeyer's test

Benedict test

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