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BSCH101 Set 1 Practice test Full marks 30 Time 90 min Answer the following questions: 1. Assign the decreasing order of bond energy and reactivity of O2-, O2. O22- (3) 2. He2 does not exist. Explain (2) 3. Find the energy absorbed by an electron owing to its jump from the second to t...

BSCH101 Set 1 Practice test Full marks 30 Time 90 min Answer the following questions: 1. Assign the decreasing order of bond energy and reactivity of O2-, O2. O22- (3) 2. He2 does not exist. Explain (2) 3. Find the energy absorbed by an electron owing to its jump from the second to third quantum level (3) 4. Write short note on (any one) Band theory/ pi molecular orbital theory of 1,3- butadiene/ MO of HF. (5) 5. What is ligand? Find the CFSE value for \[CrCl6\]3- (2+3=5) 6. Explain why \[Cu(H2O)6\]2+is blue in colour whereas \[Zn(H2O)6\]2+ is colourless (3) 7. Comment on the colour of \[Ti(H2O)6\]3+. (3) 8. Explain why Cu2+ prefers square planar complex compared to Td complex. (3) 9. Write short note on spectrochemical series (3) 10. Td complex are always high spin complex' Justify the statement (2)