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Oxygen almost invariably exhibits oxidat...

Oxygen almost invariably exhibits oxidation state of `-2` but the other members of family exhibit negative as well as positive oxidation states of `+2, + 4` and `+6`. Explain.

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The correct Answer is:
Oxygen has no d-orbitals while other have d-orbitals. Therefore, the paried electrons can be made unparied by exciting electrons to d-orbitals.
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RESONANCE ENGLISH-P BLOCK ELEMENTS-ALP PART 1 Comprehension # 1 SUBJECTIVE
  1. In P4 O10, the number of oxygen atoms bonded to each phosphorus atom i...

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  2. Write the names of substances which have higher oxidation potential th...

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  3. Why sulphur is able to show oxidation state of +4 and +6 with fluroine...

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  4. Oxygen exists as a gas, while sulphur exists as a solid Why ?

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  5. How is the presence of SO2 detected?

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  6. Which aerosols deplete ozone?

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  7. Oxygen almost invariably exhibits oxidation state of -2 but the other ...

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  8. An aqueous solution of a gas (X) gives the following reactions : (a)...

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  9. On heating rhombic sulphur it melts but viscosity of liquid increases ...

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  10. {:(,underset(("Oxy acids of phosphoros"))("Column I"),,underset(("Char...

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  11. {:("Column I","Column II"),((A)PbO(2)+HNO(3)to,(p)"One of the products...

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  12. {:("Column I","Column II"),((A)2NO(2)overset("Cool")to,(p)"One of the ...

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  13. P(4) reduces copper sulphate solution to metallic copper. True or Fa...

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  14. Red phosphorus catches fire at room temperature. True or False

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  15. If 200mL of 0.1M urea solution is mixed with 400mL of 0.2M glucose sol...

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  16. N(2)O does not from hyponitrite with alkali. State True or False .

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  17. In alkaline solution, with Devarda's alloy (Cu//Al//Zn) nitrites are r...

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  18. N(2)O(5) is an acid anhydride of HNO(3). State True or False

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  19. SO(3) does not turn starch iodate paper blue.

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  20. Reduction of bisulphite solution and SO(2) with zin dust yields sulpha...

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