Q.

The standard enthalpy of formation of CO2 will be given by:

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a

standard enthalpy of Combustion of graphite 

b

sum of standard enthalpy of formation and enthalpy of combustion of CO.

c

standard enthalpy of combustion of diamond

d

standard enthalpy of combustion of CO

answer is B, D.

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Detailed Solution

Reaction takes place as,

C(g)+O2(g)CO2(g)

The standard enthalpy of formation of CO2 will be given by:

B) Standard enthalpy of Combustion of graphite 

D) Sum of standard enthalpy of formation and enthalpy of combustion of CO.

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