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The enthalpies of combustion of carbon and carbon monoxide are -393.5 and –283kJ mol^–1 respectively.

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The enthalpies of combustion of carbon and carbon monoxide are  -393.5 and –283kJ mol–1 respectively. The enthalpy of formation of carbon monoxide permole is

(a) 110.5kJ 

(b) 676.5kJ

(c) –676.5kJ 

(d) –110.5kJ.

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Correct option(d) –110.5kJ.

Explanation:

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