Explore topic-wise MCQs in UPSEE.

This section includes 18 Mcqs, each offering curated multiple-choice questions to sharpen your UPSEE knowledge and support exam preparation. Choose a topic below to get started.

1.

The attice energy of NaCl is

A. ?787 KJ/mole
B. 787 J/mole
C. 780 KJ/mole
D. 790 KJ/mole
Answer» B. 787 J/mole
2.

  Enthalpy of combustion for food fuel and other compounds can be measured accurately by

A. glass calorimeter
B. bomb calorimeter
C. thermometer
D. manometer
Answer» C. thermometer
3.

  Enthalpy of a reaction can be measured by

A. glass calorimeter
B. manometer
C. Barometer
D. thermometer
Answer» B. manometer
4.

  When enthalpy of reactants is higher than product then reaction will be

A. endothermic
B. spontaneous
C. non-spontaneous
D. exothermic
Answer» E.
5.

Which one of the following is a state function?

A. pressure
B. temperature
C. enthalpy
D. all of the above
Answer» E.
6.

State function the macroscopic property of system depends upon

A. path of reaction
B. initial state
C. final state
D. initial and final state
Answer» E.
7.

Pumping of water uphill is

A. spontaneous process
B. non-spontaneous process
C. irreversible process
D. reversible process
Answer» C. irreversible process
8.

CuSO4 + Zn?ZnSO4+Cu is

A. Spontaneous reaction
B. Non-spontaneous reaction
C. Endothermic
D. Exothermic
Answer» B. Non-spontaneous reaction
9.

Reaction in which heat evolves is called

A. endothermic
B. spontaneous
C. non-spontaneous
D. exothermic
Answer» E.
10.

Mathematical form of first law of thermodynamics is

A. ?H=qp
B. ?E = q + W
C. ?E = q x v
D. all of the above
Answer» C. ?E = q x v
11.

Total energy of a system is

A. P.E + K.E
B. P.E + heat energy
C. K.E + heat energy
D. P.E + mechanical energy
Answer» B. P.E + heat energy
12.

Anything which depends upon initial and final state of a system is

A. environment
B. surrounding
C. state function
D. enthalpy
Answer» D. enthalpy
13.

The environment in which a system is studied is

A. State function
B. phase
C. surrounding
D. state
Answer» D. state
14.

________________ is study about energy of a chemical system

A. thermochemistry
B. thermodynamics
C. chemical kinetics
D. stoichiometry
Answer» B. thermodynamics
15.

A reaction has values of ?H and ?S which are both positive. The reaction

A. Is spontaneous
B. Spontaneity is temperature dependent
C. Has an increasing free energy
D. Is non-spontaneous
Answer» E.
16.

If internal energy of the system is increased

A. Change in state of the system is increased
B. Temperature of the ystem may rise
C. Chemical reaction may take place
D. All
Answer» E.
17.

If ?H value is less than zero than reaction will be

A. Exothermic
B. Endothermic
C. May or may not be Exothormic or Endothermic
D. None of these
Answer» B. Endothermic
18.

Which one is not state function

A. Internal energy
B. Enthalpy
C. Gibbs free energy
D. Work
Answer» E.