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Question: Answered & Verified by Expert
Assertion : Addition of $Q$ and $w$ gives $\Delta U$.
Reason : Addition of two path functions cannot give state function.
ChemistryThermodynamics (C)AIIMSAIIMS 2018 (27 May)
Options:
  • A If both assertion and reason are true and reason is the correct explanation of assertion.
  • B If both assertion and reason are true but reason is not the correct explanation of assertion.
  • C If assertion is true but reason is false.
  • D If both assertion and reason are false.
Solution:
1671 Upvotes Verified Answer
The correct answer is: If assertion is true but reason is false.
$\Delta U=Q+w$
Internal energy is a state function but $Q$ and $w$ are path functions.

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