Previous Year Papers

Download Solved Question Papers Free for Offline Practice and view Solutions Online.

Test Series

Take Zigya Full and Sectional Test Series. Time it out for real assessment and get your results instantly.

Test Yourself

Practice and master your preparation for a specific topic or chapter. Check you scores at the end of the test.
Advertisement

 Multiple Choice QuestionsMultiple Choice Questions

81.

For which reaction will H - E = 0 ? Assume that each reaction is carried out in an open container .

  • 2CO2 (g) + O2 (g)  2CO2 (g)

  • PCl5 (g)  PCl3 (g) + Cl2 (g)

  • H2 (g) + Br2 (g)  2HBr (g)

  • C (s) + 2H2O (g)  2H2 (g) + CO2 (g)


Advertisement

82.

Match List I with List II and select the correct answer using the codes given below the lists:

List I  List II
A. (δGδP)T  1.  μπ
B. (δGδT)P  2.  T
C. (δHδS)P  3. -S
D. (δTδP)H   4. P
    5. V

  • A-5, B-1, C-2, D-4

  • A-5, B-3, C-2, D-4

  • A-3, B-5, C-2, D-1

  • A-5, B-3, C-2, D-1


D.

A-5, B-3, C-2, D-1

From thermodynamics, dG = VdP-SdT

At constant T, dT = 0 so that (δGδP)T= V

At constant P dP = 0 so that (δGδT) =-S

Also μJT=( δTδP)H


Advertisement
83.

For adiabatic process, which is correct?

  • T = 0

  • S = 0

  • q = 0

  • qp = 0


84.

Which of the following is not a thermodynamic function?

  • Internal energy

  • Work done

  • Enthalpy

  • Entropy


Advertisement
85.

Which ofthe following is an intensive property ?

  • Temperature

  • Viscosity

  • Surface tension

  • All of these


86.

Which of the following is intensive property?

  • Enthalpy

  • Entropy

  • Specific heat

  • Volume


87.

Entropy of the universe is :

  • constant

  • zero

  • continuously decreasing

  • continuously increasing


88.

Assertion : A reaction is spontaneous if Ecell = +ve.

Reason : For Ecell = +ve, G is always -ve.

  • If both assertion and reason are true and reason is the correct explanation of assertion

  • If both assertion and reason are true but reason is not the correct explanation of assertion

  • If assertion is true but reason is false

  • If both assertion and reason are false


Advertisement
89.

Assertion : Entropy is always constant for a closed system.

Reason : Closed system is always reversible.

  • If both assertion and reason are true and reason is the correct explanation of assertion

  • If both assertion and reason are true but reason is not the correct explanation of assertion

  • If assertion is true but reason is false

  • If both assertion and reason are false.


90.

The relation between H and E is :

  • E = H + nRT

  • H = E - nRT

  • H = E + nRT

  • E = H + nRT


Advertisement