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problem1) Answer all the problems:

i) describe the term “bond order” and give its significance.

ii) Describe the paramagnetic character of O2  molecule with the help of MO diagram.

iii) Do you accept bond order is superoxide ion (O-2) more or less than in peroxide ion (O22)?

iv) Draw the structure of P4O10 and identity the number of single and double P-O bonds.

v) (CH3)3N is basic but (CF3)3N is not basic. Describe.

problem2) What is Hund’s rule? What role does it play in building up of the electronic configuration of atoms?

problem3) What do you mean by quantum numbers? What is the importance of the quantum numbers?

problem4) Describe the following :

i) Electron affinity of fluorine less than that of chlorine.

ii) Alkali Metals impart flame colouration.

iii) CO2 is a gas while Sio2 is a solid.

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  • Category:- Chemistry
  • Reference No.:- M94186

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