Alpha Question Bank for Medical: Chemistry>Chapter 4 - Thermodynamics>Exercise 4>Q 7

MEDIUM

NEET

IMPORTANT

Earn 100

Assertion: For the combustion of methane, $ΔE > ΔH$ Reason: $ΔH$ is related by $∆ E$ by the expression. $ΔH = ΔE + ΔnRT$

100% studentsanswered this correctly

Important Questions on Thermodynamics

MEDIUM

NEET

IMPORTANT

Alpha Question Bank for Medical: Chemistry>Chapter 4 - Thermodynamics>Exercise 4>Q 8

For a reaction to be spontaneous at all temperatures

MEDIUM

NEET

IMPORTANT

Alpha Question Bank for Medical: Chemistry>Chapter 4 - Thermodynamics>Exercise 4>Q 9

Assertion: For a reaction $2 {NH}_{3} (g) ⟶ N_{2} (g) + 3 H_{2} (g) : ΔH > ΔE$

Reason: Enthalpy change is always greater than internal energy change.

MEDIUM

NEET

IMPORTANT

Alpha Question Bank for Medical: Chemistry>Chapter 4 - Thermodynamics>Exercise 4>Q 10

Enthalpy of combustion of methane and ethane are

- 210 k cal / mol

and

- 368 k cal / mol

respectively. The enthalpy of combustion of decane is

MEDIUM

NEET

IMPORTANT

Alpha Question Bank for Medical: Chemistry>Chapter 4 - Thermodynamics>Exercise 4>Q 12

Assertion: The heat adsorbed during isothermal expansion of an ideal gas against vacuum is zero. Reason: The volume occupied by the molecule is zero.

HARD

NEET

IMPORTANT

Alpha Question Bank for Medical: Chemistry>Chapter 4 - Thermodynamics>Exercise 4>Q 13

The enthalpy of formation of

{CO}_{(g)}, {CO}_{2 (g)}, N_{2} O_{(g)}

and

N_{2} O_{4 (g)}

- 110, - 393, + 811

and

10 kJ / mol

, respectively. For the reaction,

N_{2} O_{4 (g)} + 3 {CO}_{(g)} \to N_{2} O_{(g)} + 3 {CO}_{2 (g)}, {ΔH}_{f} (kJ / mol)

is:

HARD

NEET

IMPORTANT

Alpha Question Bank for Medical: Chemistry>Chapter 4 - Thermodynamics>Exercise 4>Q 14

For adiabatic process, which is correct?

HARD

NEET

IMPORTANT

Alpha Question Bank for Medical: Chemistry>Chapter 4 - Thermodynamics>Exercise 4>Q 15

Which of the following is not a thermodynamic function?

HARD

NEET

IMPORTANT

Alpha Question Bank for Medical: Chemistry>Chapter 4 - Thermodynamics>Exercise 4>Q 16

Which of the following is intensive property?