The heats of combustion of rhombic and monoclinic sulphur are 70960 and 71030 cal/mol respectively. Calculate the heat of conversion of rhombic to monoclinic sulphur
A
70960 cal
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B
71030 cal
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C
- 70 cal
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D
70 cal
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Solution
The correct option is D 70 cal S(rhombic)→S(monoclinic) ΔHmono−ΔHrhom=ΔHr