Question # 1

A carboxylic acid with one caboxyl group:

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Monocarboxylic acid

Dicarboxylic acid

Tricarboxylic acid

Polycarboxylic acid

Dehydration of allcohol gives:

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Alkane

Alkene

Aldehyde

ketone

Ketones are prepared by the oxidation of:

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Primary alcohol

Secondary alcohol

Tertiary alcohol

None of these

The wave number of the light emitted by a certain source is 2 x 10⁶m^-1. The wavelength of this light will be

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500 nm

500 m

200 nm

5 x 10⁷m

Some of the elements of a period show similar behavior with the elements of next group in next period this is called

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Vertical relationship

Oblique relationship

Diagonal relationship

None

Purine derivative among the following bases is

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Thymine

Uracil

Guanine

Cytosine

The sum of mole percent of all the components of solution is always equal to :

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Less than 100

One

100

10

What will be the molarity of solution if 103 g (NH₄)₂SO₄is dissolved per 600 cm³of water

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2.32 M

3.32 M

4.32 M

1.30 M

Which of the following expressions show a heterolytic bond fission

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A fibre which is made from acrylonitrile as monomer

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PVC

Rayon fibre

Acrylic fibre

Polyester fibre

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Diastase

Lipase

Inverters

Zymase

The potassium fertilizers are preferred for horticulture, tobacco and potatones, which of the following is popular potassium fertilizer

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Potassium oxide

Potassium chloride

Potassium sulphate

Potassium nitrate

Silicon atom is hybridized:

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sp

sp²

sp³

dsp²

Grignard reagent on reaction with a ketone forms

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Tertiary alcohol

Secondary alcohol

Primary alcohol

Carboxylic acid

Which one is used as a fuel for internal combustion engines in many European countries and Brazil

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C₂H₅OH

CH₃OH

CH₃COOH

C₂H₂

The correct arrangement of increasing order of atomic radius among Na, K, Mg, Rb is

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Mg < K < Na < Rb

Mg < Na < K < Rb

Mg < Na < Rb < K

Na < K < Rb < Mg

The reaction rate is expressed in the units of

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mol dm^-3S^-

mol dm^-3

mol dm^-3N^-

dm^-3S^-

Two or more similar monomers combine to form:

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Homopolymer

Copolymer

Ter polymer

Thermoplastic polymers

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Aqueous bromine

Dilute HNO₃

Dilute HCI

CH₃COCI

For a given process the heat change at constant pressure q_pis related to the heat change at constant volume (q_v) according to

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q_p= q_v

q_p< q_v

q_p> q_v

q_p= qv/2

Which of the following is a method of converting a unsaturated ketone into unsaturated hydrocarbon?

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Aldol condensation

Reimer Tiemann reaction

Cannizaaor's reaction

Wolf-kishner reduction

Colligative properties are the properties of :

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Dilute solutions which behave as nearly ideal solutions.

Concentrated solutions which behave as nearly non-ideal solutions.

Both(i) and (ii)

Neither (i) nor (ii)

DDT is formed from

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Benzene and Chlorobenzene

Chloral and Chlorobenzene

Chloral and Benzene

Chlorobenzene and chlorine

Which compound shows hydrogen bonding

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C₂H₆

C₂H₅CI

CH₃-O-CH₃

C₂H₅OH

In physical and chemical properties, transition elements show

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Similarities

Dissimilarities

Both of these

Somestimes similarities, sometimes dissimilarities

Decreases om concentration of reactant is denoted by

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dc/dt

-dc/dt

+dc/dt

None

Which of the following discoveries resulted in a version of the Mendeleefs

periodic law

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The nucleus of atom by Rutherford

The elements polonium and radium by the Curies

Atomic numbers by Moseley

x-rays by Roentgen

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32

64

16

4

Which of the following process is employed to convert alkyl halide into alcohol?

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Addition

Substitution

Dehydrohalogenation

Molecular rearrangement

The ratio of moles of a particular component of solution to total moles of all components of solution is :

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Mole fraction.

Molality.

Molarity.

Normality.

Kolb's method is not useful for the production of

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Methane

Ethane

Propane

Butane

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