Question # 1

Which of the following is not evoked in quantum theory?

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Schrodinger wave equation

The rigid rotor approximation

The particle in a box

Boltzmann distribution

For a chemical reaction A ___________ produce, the rat of the reaction doubles when the concentration of A is increased by 4 times the order of the reaction is.

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0

1

1/2

4

The particle motion in solids is

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Only vibratory

Only translator

Vibratory and rotatory

Only translatory

If 20 ml of 0.5 N salt solution is diluted in one litre. what is the new concentration.

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0.01 N

0.001 N

1 N

10 N

The spectral line obtained when an electron jumps from n = 6 to n= 3 belongs to.

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Balmer series

Layman series

Paschen series

Bracket series

Which of the following can act both as a Bronsted acid and a Bronsted base.

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Na2CO3

OH-

HCO3-

NH3

A process in which no heat enters leaves the system is called.

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Isochoric

Isobaric

Adiabatic

Reveraible

Which of the following system has low as well as upper consolute temperature.

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Nicotine - water

Aniline -water

Triethlylamine -water

Phenol -water

The number of phases of mixtures of four gases enclosed in a container is

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1

4

4-1

zero

A silver iodide and was prepared by mixing KI and AgNO2 solution with the AgNO2 in slight excess. Which of the following descriptions is correct regarding is not particles.

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Negatively charged because of the excess of NO-3 ions

Positively charged because of the excess of Ag+ ions in the AgI lattice

Negatively charged because I ions are adsorbed from the KI solution

Neutral

Which of the following enthalpies is always negative.

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Enthalpy of melting

Enthalpy of combustion

Enthalpy of solution

Enthalpy of formation

The device that convert the chemical energy of fuel directly into electrical energy is called.

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Galvanic cell

Electrolytic cell

Fuel cell

Concentration cell

The large increase in the rate of a reaction on rise in temperature is due to.

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The lowering of activation energy

The decreases in mean free path

The increase in collision frequency

The increase in the number of molecules having more than the threshold energy

An equilibrium the free energy change delta F for a reaction is.

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Maximum

Minimum

Zero

Negative

Which of the following property of liquids concern with the interval resistance to its flow.

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Refractive inded

Viscosity

Optical activity

Dipole moment

The electrode Pt/Fe2+ (C1) Fe 3+ (C2) belong to the type.

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Gas electrodes

Inert metal electrodes

Magam electrodes

Metal metal insoluble salt electrode

An Ideal gas is one which obeys all the gas law at.

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Low pressure

High Pressure

Low and High temperature

All condition of pressure and temperate re

The compound contains two types of X and Y its crystal structure is a cubic lattice with X-atoms at the corners of the unit cells and Y-atom t the body centre, The simplest formulae of this compound is.

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X2Y

XY

XY2

X8Y

The volume of a given mass of gas at constant temperature varies inversely with the pressure. This is a statement of.

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Charlea's law

Avogadro's law

Boyle's law

Dalton 's law

At the some temperature 0.1 M solution of urea is isotonic with.

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0.1 M glucose solution

0.1 M NaCl solution

0.1 M urea solution

0.1 M BaCl2 solution

Which of the following should have the largest dipole moment.

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Carbon tetrachloride

Cis-stibeue

Trans-atibeue

Cis-dichlorocthylene

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