Question # 1

In which process, alkyl halide is not produced.

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Reaction of alcohol with halogen acid

Reaction of Grignard reagent with water

Reaction of alcohol with phosphorous pentachloride

Action of alkene on halogen acid

Peroxyacetylnitrate (PAN) is an irritant to human beings and it affects

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eyes

ears

stomach

nose

Which of the following is a typical transition metal

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Sc

Y

Ra

Co

Primary, Secondary and tertiary alcohols can be distinguish by.

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Iodoform test

Lucas test

Fehling solution

Ammoniacal silver nitrates

Select from the following the one which is Alcohol

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CH₃CH₂OH

CH₃OCH₃

CH₃COOH

CH₃.CH₂.Br

Acetaldehyde undergoes, aldol condensation in the presence of.

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dil HNO3

DIL NaOH

dil HCl

Conc. H2SO4

Which one of the followings is not observed in the combustion of pure methane in a plentiful supply of air

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Water in produced

CO2 is produced

The flame is smoky

Energy is released

Whcih water will be considered as polluted water.

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High value of COD

Low value of COD

High value of DO

Low value of BOD

Arsenic impurities in contact process are removed.

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By prolong heating the gases

By treatment with Fe(OH)3

In scrubbing tower

In absorption tower

The pH of truly acidic rain is

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7-6.8

6.5-6

6-5.6

less than 5

An aldehyde compound can be reduced to alkane by

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Wurtz reaction

Grignard reaction

Wolf Kishner reaction

Kolbe's reaction

Which halogen will react spontaneously with Au to produce Au3+

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Br2

F2

I2

Cl2

The element of 2nd period, which has highest ionization energy from the following is

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Be

C

N

O

Which carbohydrate can be used for silvering of mirror.

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Glucose

Fructose

Maltose

All

What is effect of solubility of carboxylic acid in water by increasing their molecular masses.

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Decreases

Increase

Remain constant

Non effected

In ethene molecule, the number of atoms which are present in the same plane are.

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2

6

3

4

The conversation of n-hexane into benzene by heating in in the presence of Pt is called

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Isomerization

Aromatization

Dealkylation

Rearrangement

Typical transition element is

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Sc

CO

Ra

Y

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