1
AIPMT 2007
MCQ (Single Correct Answer)
+4
-1
Consider the following reactions :
(i) H+(aq) + OH$$-$$(aq) = H2O(l), $$\Delta $$H = $$-$$ X1 kJ mol$$-$$1
(ii) H2(g) + 1/2O2(g) = H2O(l), $$\Delta $$H = $$-$$ X2 kJ mol$$-$$1
(iii) CO2(g) + H2(g) = CO(g) + H2O(l), $$\Delta $$H = $$-$$ X3 kJ mol$$-$$1
(iv) C2H2(g) + 5/2O2(g) = 2CO2(g) + H2O(l), $$\Delta $$H = +X4 kJ mol$$-$$1
Enthalpy of formation of H2O(l) is
(i) H+(aq) + OH$$-$$(aq) = H2O(l), $$\Delta $$H = $$-$$ X1 kJ mol$$-$$1
(ii) H2(g) + 1/2O2(g) = H2O(l), $$\Delta $$H = $$-$$ X2 kJ mol$$-$$1
(iii) CO2(g) + H2(g) = CO(g) + H2O(l), $$\Delta $$H = $$-$$ X3 kJ mol$$-$$1
(iv) C2H2(g) + 5/2O2(g) = 2CO2(g) + H2O(l), $$\Delta $$H = +X4 kJ mol$$-$$1
Enthalpy of formation of H2O(l) is
2
AIPMT 2006
MCQ (Single Correct Answer)
+4
-1
Assume each reaction is carried out in an open container. For which reaction will $$\Delta $$H = $$\Delta $$E ?
3
AIPMT 2006
MCQ (Single Correct Answer)
+4
-1
Identify the correct statement for change of Gibb's energy for a system ($$\Delta $$Gsystem) at constant temperature and pressure.
4
AIPMT 2006
MCQ (Single Correct Answer)
+4
-1
The enthalpy of hydrogenation of cyclohexene is is $$-$$ 119.5 kJ mol$$-$$1. If resonance energy of benzene is $$-$$ 150.4 kJ mol$$-$$1, its enthalpy of hydrogenation would be
Questions Asked from Thermodynamics (MCQ (Single Correct Answer))
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