UGC NET June 2011 Paper | UGC NET JRF Paper June 2011 | CSIR UGC NET JRF Paper

UGC NET June 2011 Paper | UGC NET JRF Paper June 2011 | CSIR UGC NET JRF Paper

Chemical Sciences
Paper I(PART ‘B’)
41. Complexes of which of the following metals are used in the treatment of rheumatoid arthritis:
1. Gold
2. Ruthenium
3. Iron
4. Copper

42. Non-heme iron-sulfur proteins are involved in:
1. Electron transfer.
2. Proton transfer.
3. Both electron and proton transfer
4. Oxygen transfer.

43. Active catalytic species for hydroformylation is
1. RuCl2(PPh3)3
2. HCo(CO)3
3. RhCl(PPh3)3
4. K2PtCl6

44. The unit of molar absorptivity is:
1. L mol–1 cm–1
2. L–1 mol cm–1
3. L mol cm–1
4. L mol cm

45. Gelatin is added during polarographic measurements to:
1. reduce streaming motion of falling mercury drop
2. increase Id
3. increase E1/2
4. eliminate residual current

46. The element that shows both +3 and +4 oxidation states is:
1. Cerium
2. Promethium
3. Gadolinium
4. Holmium

47. The number of 3c, 2e BHB bonds present in B4H10 is
1. 2
2. 3
3. 4
4. 0

48. In BrF3 as a solvent SnF4 and KF behave as
1. acid and base, respectively
2. base and acid, respectively
3. acids
4. bases

49. The effective nuclear charge (Z*) for the 1s electron of 8O according to Slater’s rules is nearly
1. 4.55
2. 3.45
3. 7.65
4. 5.45

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