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At 25^@C and 1 atm pressure, the enthalp...

At `25^@C` and 1 atm pressure, the enthalpy of combustion of benzene (1) and acetylene (g) are -3268 kJ `"mol"^(-1)` and -1300 kJ `"mol"^(-1)`, respectively. The change in enthalpy for the reaction `C_2H_2(g) rarrC_6H_6` (I), is

A

`+324 "kJ mol"^(-1)`

B

`+632 "kJ mol"^(-1)`

C

`-632 "kJ mol"^(-1)`

D

`+732 "kJ mol"^(-1)`

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