JEE Mains Chemistry Pro Test

Which law gives absolute entropy Which law gives absolute entropy

4 Mark(s)

First law First law
Second law Second law
Third law Third law
Zeroth law Zeroth law

Which condition is true at equilibrium Which condition is true at equilibrium

4 Mark(s)

ΔG > 0 ΔG > 0
ΔG < 0 ΔG < 0
ΔG = 0 ΔG = 0
ΔH = 0 ΔH = 0

Gibbs free energy is useful for predicting Gibbs free energy is useful for predicting

4 Mark(s)

Heat Heat
Work Work
Spontaneity Spontaneity
Equilibrium constant only Equilibrium constant only

For cyclic process ΔU is For cyclic process ΔU is

4 Mark(s)

Positive Positive
Negative Negative
Zero Zero
Variable Variable

Which law defines entropy Which law defines entropy

4 Mark(s)

First law First law
Second law Second law
Third law Third law
Zeroth law Zeroth law

Which of the following is a state function Which of the following is a state function

4 Mark(s)

Work Work
Heat Heat
Enthalpy Enthalpy
Path length Path length

ΔH is equal to ΔU + ΔH is equal to ΔU +

4 Mark(s)

PΔV PΔV
VΔP VΔP
RT RT
nRT nRT

At absolute zero entropy of perfect crystal is At absolute zero entropy of perfect crystal is

4 Mark(s)

Maximum Maximum
Zero Zero
Infinite Infinite
Constant Constant

Which is an intensive property Which is an intensive property

4 Mark(s)

Mass Mass
Volume Volume
Enthalpy Enthalpy
Temperature Temperature

SI unit of work is SI unit of work is

4 Mark(s)

erg erg
calorie calorie
joule joule
atm atm

For an adiabatic process For an adiabatic process

4 Mark(s)

T constant T constant
Q = 0 Q = 0
W = 0 W = 0
ΔU = 0 ΔU = 0

For an isothermal reversible expansion of ideal gas the value of ΔU is For an isothermal reversible expansion of ideal gas the value of ΔU is

4 Mark(s)

Positive Positive
Negative Negative
Zero Zero
Infinite Infinite

The unit of entropy is The unit of entropy is

4 Mark(s)

J mol⁻¹ J mol⁻¹
J K⁻¹ J K⁻¹
J mol⁻¹ K⁻¹ J mol⁻¹ K⁻¹
J K J K

ΔG is related to ΔH and ΔS as ΔG is related to ΔH and ΔS as

4 Mark(s)

ΔG = ΔH + TΔS ΔG = ΔH + TΔS
ΔG = ΔH − TΔS ΔG = ΔH − TΔS
ΔG = TΔS − ΔH ΔG = TΔS − ΔH
ΔG = ΔS − ΔH ΔG = ΔS − ΔH

Heat absorbed at constant pressure is Heat absorbed at constant pressure is

4 Mark(s)

ΔU ΔU
ΔG ΔG
ΔS ΔS
ΔH ΔH

Internal energy of an ideal gas depends on Internal energy of an ideal gas depends on

4 Mark(s)

Pressure Pressure
Volume Volume
Temperature Temperature
Density Density

For exothermic reaction ΔH is For exothermic reaction ΔH is

4 Mark(s)

Positive Positive
Negative Negative
Zero Zero
Infinite Infinite

Work done in free expansion of gas is Work done in free expansion of gas is

4 Mark(s)

Maximum Maximum
Minimum Minimum
Zero Zero
Infinite Infinite

Entropy change of universe for a spontaneous process is Entropy change of universe for a spontaneous process is

4 Mark(s)

Zero Zero
Negative Negative
Positive Positive
Constant Constant

Which process has maximum work Which process has maximum work

4 Mark(s)

Free expansion Free expansion
Irreversible Irreversible
Reversible Reversible
Isochoric Isochoric

JEE Mains Chemistry Pro Test : Question 1 of 20