1
AIPMT 2007
MCQ (Single Correct Answer)
+4
-1
Given that bond energies of H $$-$$ H and Cl $$-$$ Cl are 430 kJ mol$$-$$1 and 240 kJ mol$$-$$1 respectively and $$\Delta $$Hf for HCl is $$-$$ 90 kJ mol$$-$$1, bond enthalpy of HCl is
A
380 kJ mol$$-$$1
B
425 kJ mol$$-$$1
C
245 kJ mol$$-$$1
D
290 kJ mol$$-$$1
2
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.
A
If $$\Delta $$Gsystem < 0, the process is not spontaneous.
B
If $$\Delta $$Gsystem > 0, the process is spontaneous.
C
If $$\Delta $$Gsystem = 0, the system has attained equilibrium.
D
If $$\Delta $$Gsystem = 0, the system is till moving in a particular direction.
3
AIPMT 2006
MCQ (Single Correct Answer)
+4
-1
The enthalpy and entropy change for the reaction:
Br2(l) + Cl2(g) $$ \to $$ 2BrCl(g)
are 30 kJ mol$$-$$1 and 105 J K$$-$$1 mol$$-$$1 respectively.
The temperature at which the reaction will be in equilibrium is
A
300 K
B
285.7 K
C
273 K
D
450 K
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
A
$$-$$ 358.5 kJ mol$$-$$1
B
$$-$$ 508.9 kJ mol$$-$$1
C
$$-$$ 208.1 kJ mol$$-$$1
D
$$-$$ 269.9 kJ mol$$-$$1
NEET Subjects
EXAM MAP
Medical
NEET
Graduate Aptitude Test in Engineering
GATE CSEGATE ECEGATE EEGATE MEGATE CEGATE PIGATE IN
CBSE
Class 12