JEE Main 2026 — Thermodynamics (C) Question with Solution
JEE Main 2026 (08 April Shift 2)
Question
Consider the reaction
The magnitude of enthalpy change for the reaction in kJ mol is ________. (Nearest integer)
Given: kJ mol
kJ mol
kJ mol
The magnitude of enthalpy change for the reaction in kJ mol is ________. (Nearest integer)
Given: kJ mol
kJ mol
kJ mol
Enter your answer
Show full solutionCorrect answer: 1126
Correct answer
1126
Step-by-step explanation
The standard enthalpy of reaction is given by:
For the given reaction:
Substituting the given values:
The magnitude of the enthalpy change is .
Rounding to the nearest integer, we get .
Answer:
For the given reaction:
Substituting the given values:
The magnitude of the enthalpy change is .
Rounding to the nearest integer, we get .
Answer:
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This is a previous-year question from JEE Main 2026, covering the Thermodynamics (C) chapter of Chemistry. PrepSharp catalogues every PYQ from JEE Main with a verified answer key and step-by-step solution prepared by IIT alumni — so you can search by chapter, topic or year and revise efficiently.