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NEET UG CHEMISTRY MCQ: THERMODYNAMICS
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The enthalpy changes of formation of the gaseous oxides of nitrogen are positive because of:
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Correct option: A
The high bond energy of the nitrogen molecule
Option A is correct because the formation of gaseous oxides of nitrogen requires breaking the strong triple bond in the nitrogen molecule, which requires energy.
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Reason :- During phase transition work done is always negative. For the reaction, at . Hence, is