Q.

The standard molar enthalpy of formation of CO2 is equal to

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a

The standard molar enthalpy of combustion of carbon (graphite)

b

The standard molar enthalpy of combustion of C (gaseous)

c

Zero

d

The sum of the standard molar enthalpies of CO and CO2

answer is B.

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Detailed Solution

C(graphite) +O2(g)CO2(g)

The molar Enthalpy of formation of CO2 is equal to standard molar enthalpy of formation of carbon (graphite).

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