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Q.

The incorrect IUPAC convention

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a

Work done by system −ve sign

b

Work done on the system +ve sign

c

Heat gained by system +ve sign

d

Heat gained by system −ve sign

answer is D.

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Detailed Solution

As per thermodynamic IUPAC sign convention,

If heat is gained by the system, it is indicated by +ve sign.

If work done by the system, it is indicated by −ve sign

If work done on the system, it is indicated by +ve sign.

If heat is release by the system, it is indicated by −ve sign

Therefore, statement D is incorrect

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The incorrect IUPAC convention