JEE Mains Chemistry Pro Test

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

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

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

Which is an intensive property Which is an intensive property

4 Mark(s)

Mass Mass
Volume Volume
Enthalpy Enthalpy
Temperature Temperature

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

For exothermic reaction ΔH is For exothermic reaction ΔH is

4 Mark(s)

Positive Positive
Negative Negative
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

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

4 Mark(s)

ΔU ΔU
ΔG ΔG
ΔS ΔS
ΔH ΔH

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

SI unit of work is SI unit of work is

4 Mark(s)

erg erg
calorie calorie
joule joule
atm atm

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 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

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

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

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

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

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

4 Mark(s)

PΔV PΔV
VΔP VΔP
RT RT
nRT nRT

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

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