Important Questions of Thermodynamics and Thermochemistry, selected from Previous Year JEE Main Chemistry papers, along with detailed Solutions and Explanations.
QUESTION #1
The combustion of benzene (l) gives CO2 (g) and H2O (g). Given that heat of combustion of benzene at constant volume is –3263.9 kJ mol–1 at 25°C; heat of combustion (in kJ mol–1) of benzene at constant pressure will be (R = 8314JK–1 mol–1)
JEE Main
JEE Main 2019
a. -3267.6
b. 4152.6
c. -452.46
d. 3260
SOLUTION
JEE Main Chemistry – Chapter Wise Important Questions with Solutions