Isothermal

Isentropic

Isobaric

Adiabatic

D. Adiabatic

Surface tension of a substance vanishes at critical point, as there is no distinction between liquid and vapour phases at its critical point

Entropy of a system decreases with the evolution of heat

Change of internal energy is negative for exothermic reactions

The eccentric factor for all materials is always more than one

_{S} = (∂P/∂V)_{T}

_{S} = [(∂P/∂V)_{T}]^{Y}

_{S} = y(∂P/∂V)_{T}

_{S} = 1/y(∂P/∂V)_{T}

Latent heat of vaporisation

Chemical potential

Molal boiling point

Heat capacity

Decreases in all spontaneous (or irreversible) processes

Change during a spontaneous process has a negative value

Remains unchanged in reversible processes carried at constant temperature and pressure

All (A), (B) and (C)

-94 kcal

+94 kcal

> 94 kcal

< -94 kcal

Turbine

Heat engine

Reversed heat engine

None of these

Zero

Positive

Negative

Indeterminate

Reversible and isothermal

Irreversible and constant enthalpy

Reversible and constant entropy

Reversible and constant enthalpy

Entropy

Internal energy

Enthalpy

Gibbs free energy

RT d ln P

R d ln P

R d ln f

None of these

Enthalpy

Volume

Both 'a' & 'b'

Neither 'a' nor 'b'

Isothermal

Isobaric

Polytropic

Adiabatic

The available energy in an isolated system for all irreversible (real) processes decreases

The efficiency of a Carnot engine increases, if the sink temperature is decreased

The reversible work for compression in non-flow process under isothermal condition is the change in Helmholtz free energy

All (A), (B) and (C)

Isothermal

Adiabatic

Isobaric

Isometric

Rectangle

Rhombus

Trapezoid

Circle

No

Any real

Only ideal

Both (B) and (C)

Only enthalpy change (ΔH) is negative

Only internal energy change (ΔE) is negative

Both ΔH and ΔE are negative

Enthalpy change is zero

Positive

Negative

Zero

May be positive or negative

Ethyl chloride or methyl chloride

Freon-12

Propane

NH3 or CO2

Logarithmic

Arithmetic

Geometric

Harmonic

Concentration

Mass

Temperature

Entropy

Mass

Momentum

Energy

None of these

Chemical potentials of a given component should be equal in all phases

Chemical potentials of all components should be same in a particular phase

Sum of the chemical potentials of any given component in all the phases should be the same

None of these

Less pronounced

More pronounced

Equal

Data insufficient, can't be predicted

Zero

Positive

Negative

None of these

The surface tension vanishes

Liquid and vapour have the same density

There is no distinction between liquid and vapour phases

All (A), (B) and (C)

_{V}

_{T}

_{V}

_{P}

Enthalpies of all elements in their standard states are assumed to be zero

Combustion reactions are never endothermic in nature

Heat of reaction at constant volume is equal to the change in internal energy

Clausius-Clapeyron equation is not applicable to melting process

Isothermal

Adiabatic

Isentropic

None of these

An ideal liquid or solid solution is defined as one in which each component obeys Raoult's law

If Raoult's law is applied to one component of a binary mixture; Henry's law or Raoult's law is applied to the other component also

Henry's law is rigorously correct in the limit of infinite dilution

None of these