Question # 1

In statistical mechanics, there exists a function which contains all the information about a macroscopic system. This function is known as.

Choose an answer

Eigen function

Wave function

Partition function

Distribution function

Which of the following statements is not correct.

Choose an answer

The conductance of one cm3 of a material is called specific conductance

Specific conductance increase while equivalent conductance decreases on progressive dilution

The limiting equivalent conductance of weak electrolytes cannot be determined by extrapolation of the plot of A against concentration

The conductivity of metals is due to the movement of elctrons.

For dilute solutions colligative properties depend on.

Choose an answer

The number of the particles of the solute and nature of solvent.

The number of the solute particles and on their nature

The number of the solute particles and nature of solute and solvent

The number of the solute particles and irrespective of the nature of the solute and solvent.

Which of the following statement is not related to the characteristics of gaseous state.

Choose an answer

The inter molecular forces of attraction are not strong in gaseous state

The gases do not have definite shape and volume

The gases are characterized by low density.

The gases have low comprehensibility

The change of chemical potential of any component with temperature an constant P and composition, is euqal to.

Choose an answer

Partial molar enthalpy of that component

Partial molar volume

Partial molar free energy

Negative of the partial molar entropy

The change in the concentration of the reactant of product per units time is called.

Choose an answer

Order of the reaction

Melecularity of the reaction

Rate of reaction

None of the above

Which of the following statement is not correct with reference to cell constant.

Choose an answer

The dimensions of cell constant is cm-1

It is used to determine the specific conductance

It is measured with KCl solution

Specific conductance does not vary with concentration.

Which of the following regions of the spectrum would be used to determine the structure of the crystalline solids.

Choose an answer

Microwave

X-rays

Visible

Infrared

The experimental relationship between rate of the reaction and concentration of the reactants is called.

Choose an answer

Rate law

Law of mass action

Le-Chatelier's principle

Rate constant

According to the Debye-Huckel theory of strong electrolytes, and ion moving in an atmosphere of oppositely charged ions experience a drag This effect is known as

Choose an answer

Aaymmetric effect

Electrophoretic effect

Inter ionic effect

Concentration effect

The efficiency of a reversible heat engine depends only on the

Choose an answer

Temperature of the heat sink

Temperature of the heat source

Temperature of the heat source and sink

Pressure of the fluid

In an adiabatic system, if work in done, the temperature must.

Choose an answer

Increase

Decrease

Remain the same

Increase than decrease

The point group of XeOF4 is.

Choose an answer

C6v

C4h

D4h

D2h

The value of comprehensibility factor (z) = pV/nRTfor an ideal gas is equal to.

Choose an answer

R

1

2

3

The second order rate constant can have units.

Choose an answer

dm-6 mol 2 s-1

dm3 mol s-1

dm³ mol^-1 s^-1

dm6 mol-1 s-1

For an elementary reaction

2A + B ------------------- C + D

The molecularity of the reaction is.

Choose an answer

1

2+

3

4

Which of the following solution has pH= 11?

Choose an answer

1 X 10^-11 m NaOH

1 x 10^-11 m HCl

1 x 10^-3 M NaOH

1 X 10 ³ M NaOH

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

Choose an answer

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

In proper rotation (Cn) an object is rotated through an angle of.

Choose an answer

a/n radians

2n/n radians

3n/n radians

4n/n radians

Which of the following expression is correct.

Choose an answer

C = n/RT

C = RT/n

RT = Cn

Cn = 1/RT

Which of the following compounds shows optical activity

Choose an answer

Lactic acid

Maltose

Glucose

All above

More Classes

Other Links

PPSC Chemistry Part I Physical Chemistry Online Test MCQs With Answers

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer