Join the Most Relevant JEE Main 2025 Test Series & get 99+ percentile! Join Now
Search any question & find its solution
Question: Answered & Verified by Expert
According to the third law of thermodynamics which one of the following quantities for a perfectly crystalline solid is zero at absolute zero?
ChemistryThermodynamics (C)VITEEEVITEEE 2023
Options:
  • A Free energy
  • B Entropy
  • C Enthalpy
  • D Internal energy
Solution:
1040 Upvotes Verified Answer
The correct answer is: Entropy
Entropy states the randomness or disorderness of the system. At absolute zero, the movement of molecules of the system or randomenss of the system is zero, hence entropy is also zero.

Looking for more such questions to practice?

Download the MARKS App - The ultimate prep app for IIT JEE & NEET with chapter-wise PYQs, revision notes, formula sheets, custom tests & much more.