Tuesday, September 8, 2009

IIT JEE Chemistry Final Revision Set 8

1. The amount of glucose obtained by the hydrolysis of one mole maltose is _____ .

2. State true or false.

The movement of the dispersed phase towards one of the electrodes of an electric field is called cataphoresis.

3. The standard reductin potential for Cu2+/Cu is 0.34V. Calculate the reduction potential at pH = 14 for the above couple.
Take Ksp of Cu(OH) as 1×10-19

4. A current of 3.7 A is passed for 6 hrs. between Ni electrodes in 0.5L of 2M solution of Ni(NO3)2. What is the molarity of solution at the end of eletrolysis.

5. State whether the following statements are true or false.

In the case of nitration of arenes

(i). All activating sustituents are ortho, para directors.
(ii) Halogen substituents ae slightly deactivating but or ortho, para-directing.
(iii) Strongly deactivating substituents are meta directors.

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