A. For the complex write the hybridization, magnetic character and spin of the complex. (At. Number : Co=27)

B. Draw one of the geometrical isomers of the complex which is optically active.

A. What is the role of t-butyl peroxide in the polymerization of ethane?

B. Identify the monomers in the following polymer :

C. Arrange the following polymers in the increasing order of their intermolecular forces :

PVC, Nylon-6, Buna-N

OR

Write the mechanism of free radical polymerization of ethane.

A. Write the name of two monosaccharides obtained on hydrolysis of maltose sugar.

B. Name the vitamin whose deficiency causes convulsions.

C. Write one example each for Fibrous protein and Globular protein.

Due to the hectic and busy schedule, Mr Awasthi made his life full of tensions and anxiety. He started taking sleeping pills to overcome depression without consulting the doctor. Mr Roy, a close friend of Mr Awasthi advised him to stop taking sleeping pills and suggested to change his lifestyle by doing Yoga, meditation and some physical exercise. Mr Awasthi followed his friend’s advice and after a few days, he started feeling better.

After reading the above passage, answer the following :

A. What are the values (at least two) displayed by Mr Roy?

B. Why it is not advisable to take sleeping pills without consulting doctor?

C. What are tranquillizers? Give two examples.

A. Account for the following :

(i) is more acidic than

(ii) is more covalent than

B. Draw the structures of :

(i) (ii)

OR

(i) Arrange the following in the increasing order of their reducing character :

(ii) Out of He and Xe, which one can easily form compound and why?

(iii) Write the conditions to maximize the yield of ammonia in Haber’s process.

(iv) Write two uses of Chlorine gas.

(v) How can you detect the presence of gas?