Question # 1

The unit of specific conductance will be

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S cm-1

Ohm cm

Ohm cm-1

Mho cm

The branch of chemistry which deals with the rate of reaction as well as mechanism is known as

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Wave mechanism

Classical thermodynamcis

Chemical kinetics

Phtochemistry

For a given mass of a gas at constant temperature, if the value V becomes a times, the pressure will become.

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3P

P/3

9P

3P/T

Which is the following is not a buffer.

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H2CO3/HCO3

NH4Cl/NH4OH

CH3COOH/CH3COONa

NH3OH/CH3COOH

Which of the following has the bighest value.

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Transnational partition function

Rotational partition function

Vibrational partition function

Electronic partition function

The entropy change accompanying any physical or chemical transformation approaches zero as T approaches zero. This statement refers to.

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Helmholtz law

Third law of thermodynamics

Second law of thermodynamics

Nernat heat theorem

Which of the following factors does not effect the rate of the reaction.

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Pressure

Temperature

Concentration

Catalyst

All of the above

Which is the correct configuration of Fe3+ (Z= 26)?

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[Ar] 4s² , 3d⁶

[Ar] 4s² , 4d⁵

[Ar] 3d⁵

None of these

Retarded reaction are those

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In which the rate of the reaction is independent of pressure

In which products are strongly adsorbed on the surface of the solid catalyst

Which are reversible under all conditions

For which G is positive

30 mL of an acid solution is neutralized by 15 mL of 0.2 N base. The strength of acid solution is.

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0.1 N

0.15 N

0.3 N

0.4 N

The isotonic nucleotide X and Y have mass numbers 35 and 37 respectively if the atomic number of X is 17 the atomic number of Y will be.

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15

17

19

18

The reverse of photo chemical reaction is called.

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Phosphorescence

Chemiluminescence

Fluorescence

Photscnaitization

The temperature at which two conjugate solutions change into one homogeneous solution is called.

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Azeotrope

Conjugate temperature

Consolute temperature

Transition temperature

In an isochoric process

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Energy remains constant

Volume remains constant

Pressure remains constant

Temperature remains constant

The rate at which a substance reacts depends on its.

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Molecular mass

Active mass

Equivalent mass

Molar mass

Which of the following statement is not correct regarding galvanic cells.

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Oxidation occurs at the anode

Ions carry current inside the cell

Electrons flow around the external circuit. form cathode to anode

When the e.m.f. of the cell is positive cell reactionis spontaneous

Which of the following reactions does not take place with light radiation.

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Oxidation

Reduction

Polymerization

Double displacement

The vibration degrees of freedom for a linear and non liner poly atomic molecule of seven atoms each an respectively

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30 and 29

30 and 32

28 and 29

None of above

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