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Show by drawing its molecular orbital di...

Show by drawing its molecular orbital diagram why `O_2` is paramagnetic.

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

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  2. Why is electrons gain enthalpy of oxygen less than that of sulphur ?

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  3. Show by drawing its molecular orbital diagram why O2 is paramagnetic.

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  4. Draw the canonicals of CO3^(-2).

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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. State Hess' 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 M in K2MnO4?

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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. Write the balnced chemical equation of preperation of Oxygen

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

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  18. What happens when hydrated zinc chloride is heated?

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  19. State the law of mass action .

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  20. What is a buffer solution? Give example of an acidic buffer solution .

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