JEE Main - Previous Year Papers JEE MAIN 2026 JEE Mains 23 January 2026 Paper Shift -2 Single Correct MCQ
Published on: August 11, 2026


and are added to a 1 L flask and it is found that the system attains the above equilibrium at with the number of moles of and being 3, 3 and 9 mol respectively (equilibrium moles). Under this conditions of equilibrium, 10 mol of is added to the flask and the temperature is maintained at . Then the number of moles of in the flask when the new equilibrium is established is . (Nearest integer).

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The correct answer is:
15

(15)
Now 10 moles of are added then reaction will move in backward direction.






At equilibrium ⇒ moles of

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