At 25°C and 1 atm pressure, the enthalpy of combustion of benzene (l) and acetylene (g)…
Chemistry · JEE Main · NTA Exams — Chemical Thermodynamics
At 25°C and 1 atm pressure, the enthalpy of combustion of benzene (l) and acetylene (g) are –3268 kJ mol–1 and –1300 kJ mol–1, respectively. The change in enthalpy for the reaction 3C2H2(g) → C6H6 (l), is
(JEE Main 2022)
(JEE Main 2022)
- +324 kJ mol–1
- +632 kJ mol–1
- –632 kJ mol–1
- –732 kJ mol–1
Answer
(C) –632 kJ mol –1
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