Thermodynamics For Chemical MCQs

Option A: Mass

Option B: Momentum

Option C: Energy

Option D: None of these

Correct Answer: Energy ✔

Option A: Zero

Option B: One

Option C: Infinity

Option D: Negative

Correct Answer: One ✔

Option A: Entropy

Option B: Gibbs free energy

Option C: Internal energy

Option D: All (A), B. & (C)

Correct Answer: Gibbs free energy ✔

Option A: Increases

Option B: Decreases

Option C: Remains unchanged

Option D: May increase or decrease; depends on the gas

Correct Answer: Remains unchanged ✔

Option A: Shifting the equilibrium towards right

Option B: Shifting the equilibrium towards left

Option C: No change in equilibrium condition

Option D: None of these

Correct Answer: No change in equilibrium condition ✔

Option A: 35 K

Option B: 174 K

Option C: 274 K

Option D: 154 K

Correct Answer: 274 K ✔

Option A: Non-flow reversible

Option B: Adiabatic

Option C: Both A. and B

Option D: Neither A. nor B

Correct Answer: C. Both A. and B ✔

Option A: Adiabatic

Option B: Isothermal

Option C: Isometric

Option D: None of these

Correct Answer: Adiabatic ✔

Option A: It should be non-explosive

Option B: It should have a sub-atmospheric vapor pressure at the temperature in refrigerator coils

Option C: Its vapor pressure at the condenser temperature should be very high

Option D: None of these

Correct Answer: It should have a sub-atmospheric vapor pressure at the temperature in refrigerator coils ✔