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NEET UG CHEMISTRY MCQ: THERMODYNAMICS
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The heat of combustion of rhombic and monoclinic sulphur are 70.96 and 71.03 kcal. The heat of transition of is:
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Correct option: D
Option D (+ 70 cal) is correct because it is calculated by subtracting the heat of combustion of monoclinic sulfur from that of rhombic sulfur.
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Reason :- During phase transition work done is always negative. For the reaction, at . Hence, is