Thermodynamics Test

Result

Thermodynamics Test - 35

Score
-
out of -
Rank
-
out of -

TIME Taken - -

SHARING IS CARING

If our Website helped you a little, then kindly spread our voice using Social Networks. Spread our word to your readers, friends, teachers, students & all those close ones who deserve to know what you know now.

Weekly Quiz Competition

Question 1
4 / -1

A
1165

B
837

C
865

D
815
Question 2
4 / -1

In view of the signs of ∆_r G° for the following reactions
PbO₂ + Pb → 2PbO , ∆_r G° < 0,
SnO₂ + Sn→ 2SnO , ∆_r G° > 0,
Which oxidation states are more characteristic for lead and tin ?

A
For lead + 4, for tin + 2

B
For lead + 2, for tin + 2

C
For lead + 4, for tin + 4

D
For lead + 2, for tin + 4
Question 3
4 / -1

For the reversible reaction,
A(s) + B(g) ⇌ C(g) + D(g); ∆G° =- 350 kJ,
which one of the following statements is true ?

A
The reaction is thermodynamically non-feasible

B
The entropy change is negative

C
Equilibrium constant is greater than one

D
The reaction should be instantaneous
Question 4
4 / -1

Carbon cannot reduce Fe₂ O₃ to Fe at a temperature below 983 K because

A
free energy change for the formation of CO is more negative than that of Fe₂ O₃

B
CO is thermodynamically more stable than Fe₂ O₃

C
carbon has higher affinity towards oxygen than iron

D
iron has higher affinity towards oxygen than carbon
Question 5
4 / -1

A

B

C

D
Question 6
4 / -1

A container of 1.0 L capacity filled with 1.0 mole of ideal gas is connected to an evacuated vessel of 9.0 L. Calculate change in entropy. (R =1.987 cal)

A

B

C

D
Question 7
4 / -1

A
4.5 V

B
3.0 V

C
2.5 V

D
5.0 V
Question 8
4 / -1

A

B

C

D
Question 9
4 / -1

In which reaction there will be increase in entropy?

A

B

C

D
Question 10
4 / -1

Which is the correct expression, that relates changes of entropy with the change of pressure for an ideal gas at constant temperature in the following ?

A

B

C

D