Entropy and Disorder - MCQs with Answers

Q1. The degree of disorder of a mixture of two gases

a. is always less than the degrees of disorder of individual gases
b. is always greater than the degrees of disorder of individual gases
c. is always equals the degrees of disorder of individual gases
d. none of the above

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Q2. What is the relation between thermodynamic probability (W) and entropy?

a. thermodynamic probability increases with entropy
b. thermodynamic probability decreases with entropy
c. thermodynamic probability does not change with change in with entropy
d. none of the above

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Q3. At the most probable state of a system the entropy of the system is

a. minimum
b. maximum
c. constant
d. none of the above

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Q4. If the two parts A and B in a system are considered to be in equilibrium and having thermodynamic probabilities W_A and W_B, what will be the thermodynamic probability of the system?

a. W = W_A . W_B
b. W = W_A + W_B
c. W = (W_A + W_B) / 2
d. W = √(W_A – W_B)

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