If △Hvaporisation of substance X(l) (molar mass: 30g/mol) is 300J/g at it's boiling point 300K, then molar entropy change for reversible condensation process is____________.
A
30J/mol.K
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B
−300J/mol.K
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C
−30J/mol.K
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D
None of these
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Solution
The correct option is A30J/mol.K Solution:- (A) 30J/mol−K