The number of the statements which are true out of the above statements is/are:
A
1
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B
2
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C
3
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D
4
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Solution
The correct option is B 2 1. Entropy is an extensive property. So, this statement is true.
2. This statement is false as entropy is a state function.
3. This statement is false as we know from the second law of thermodynamics that all sponteneous processes are accompanied with an increase in entropy i.e ΔSuniverse>0.
4. The given statement is true as it can be modified as ΔSuniverse=ΔSsys+ΔSsurr