Question # 1

Strong field ligands such as CN

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Usually produce high spin complexes and small crystal field splitting

Usually produce low spin complexes and small crystal field splitting

Usually produce low spin complexes and high crystal field splitting

Cannot form low spin complexes

The denationalization involving C - H sigma bond electrons is known as .

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Conjugation

Hyperconjugation

Mesomerism

Resonance

What is graphene.

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A new material made from carbon nanotubes

A one atom thick sheet of carbon

This film made from fullerene

A software tool to measure and graphically respresent nanoparticles.

Which is true for DDT it is.

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Not a pollutant

An antibiotic

A non degradable pollutant

A pesticide

SAN is a polymer of

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Styrene

Acrylonitrile

Both A and B

Vinyl chloride

The azimuth or angular quantum number (i) determines the number of sob shells in a given shall. the allowed values of l for a given value ffor n are.

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1.2.3.......................

1,2,3 ..................(n-1)

0.1.2.3................(n-1)

2,4,6,..............(n-2)

Yellow colour of the flame is observed with

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Calcium salt

Barium salt

Sodium salt

Potassium salt

The valence shell electronic configuration of group III A is.

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ns1 p2

ns2 p1

ns3p2

ns2p2

Group IV A consist elements.

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3

4

5

6

The emission of light characteristics of metal and correlation of intensity of the light emitted with concentration of that metal forms the basis of.

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Roman spectroscopy

IR spectroscopy

Flame photometry

Rotational spectroscopy

The principal quantum number determines the overall size of the orbital and energy of the electron when it is associated with the orbital.It may have the values.

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n = 1,3,5.........infinity

n= 2,4,6................infinity

n = 1,2,3,4..............infinity

None of the abvoe

The rise of a liquid in capillary tube is due to.

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Osmosis

Diffusion

Surface tension

Viscosity

Soapy detergents and soapless detergents behave differently in hard water because they

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Have different hydrophilic heads

Have different hydrophobic hydrocarbon chains

Have different pH values

Above A and C both

Which of the following pairs does not represent Lowery acid base pair.

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H2O+NH3

H2O +H2O

HCL + H2O

CH3NH2 + BF3

An example of acyclic monotterpenoid is

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a -pinene

Camphor

Geranial

Citral

Which of the following salt is water insoluble.

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K2SO4

Na2SO4

BaSO4

None of abvoe

Which of the following metal ion cannot be catimated by gravimetric analysis.

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K+

Ca²⁺

Al3+

Zn2+

CFT was originally applied to.

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Ionic crystal

Liquid crystal

Solid crystal

All above

Which of the following is a triphenylmethane dye.

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Auramine G

Crystal violes

Fluorescein

Fast green O

The relative populations of gourd state and excited state populations at a given flame temperature can be estimated using.

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Boltzmann distribution law

Maxwell law

Lambertie law

Beer's law

Which of the following compounds is electrovalent in nature.

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SO2

ICI

KBr

CHI3

On industrial scale chlorine is prepared by

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Dennis method

Deacon's process

Plantner's process

Aludels process

In C4-axis of rotation, an object in rotated through an angle of.

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120^o

180^o

100 ^o

90^o

Alums are generally used

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In Dying and water proofing of fabric

In arrest bleeding

IN water purification

All above

The configuration of valence shell of certain atom X is 3s2 , 3p5, which valences can it exhibit.

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1,3 only

1,5 only

1,3,5,7

1,3,4

Petroleum is formed from

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Domestic animal

Organisms in sea

Wild animals

All above

The correct order of electron affinities of SI, P, and Cl is.

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P > Si > Cl

Cl > P > Si

Cl > Si, > P

Si > P . Cl

Which of the following is not an intensive property.

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Melting point

Refractive index

Entropy

Density

Which of the following pairs of fundamental particles are present in equal numbers in a neutral atom.

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Proton and neutron

Proton and positron

Electron and proton

Neutron and electron

The volume of given mass of gas at constant pressure is directly proportional to the absolute temperature.This is a statement of.

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Charles's law

Boyle's law

Avogadro's law

Dalton's law

An example of nitro dyes is.

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Martius yellow

Auramine O

Malachite green

Methyl red

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