All India Engineering / Architecture Entrance Examination (AIEEE)
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AIEEE 2008 Chemistry
Q. 33. Standard entropy of X2, Y2 and XY3 are 60, 40 and 50 JK-1mol-1, respectively. For the reaction, 
, to be at equilibrium, the temperature will be
- 750 K
- 1000 K
- 1250 K
- 500 K
Sol:
Q. 34. The electrophile, 
attacks the benzene ring to generate the intermediate 
complex. Of the following, which complex is of lowest energy?
Sol: complex formed by the attack of electrophile on benzene is the more stable than that formed by the attack of electrophile on nitrobenzene at any one of the three given positions.
Q. 35. 
Glucose are
- anomers
- enantiomers
- conformers
- epimers
Sol: 
