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O2 is paramagnetic, why?...

`O_2` is paramagnetic, why?

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UNITED BOOK HOUSE-Question Papers 2018-EXAMPLE
  1. The outermost electrons configuration of the atom of an elements is 3s...

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  2. Why is the electron gain enthalpy of oxygen is less than that of sulph...

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  3. O2 is paramagnetic, why?

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  4. Write the resonance structure of CO3^(2-) ion.

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  5. Why is boiling point of H2O grater than that of H2S?

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  6. State Gay Lussac's law related to pressure and temperature of a gas. 3...

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  7. Determine the volume of 2*2 g of caabon dioxide at 27^@C and 570 mm Hg...

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  8. Write Hess's law.

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  9. For the following reaction at 298K 2X + Y rarr Z DeltaH = 300 kj m...

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  10. What is the oxidation number of Mn in K2 Mn O4?

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  11. Balance the following chemical equation by ion by ion election metho...

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  12. Balance the following chemical equation by ion by oxidation number of...

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  13. What is the oxidation number of S in S8?

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  14. What is heavy water ?

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  15. With balanced chemichal equation , give an example of reducing propert...

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  16. Show two canonicals of benzene by drawing . Benzene is stored in a bo...

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  17. Between (CH3)3-C-Cland CH3-Cl which compound undegoes heterolystic fis...

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  18. State law of mass action.

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  19. What is Buffer solution.

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  20. If the concentration of ammonia and ammonium chloride in buffer solu...

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