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Comment on the reactions of dihydrogen w...

Comment on the reactions of dihydrogen with
copper(II)oxide

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Dihydrogen reduces copper (II) oxide to copper in zero oxidation state and itself gets oxidised to `H_2O`, which is a covalent molecule.
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PATHFINDER-S-BLOCK ELEMENTS AND THEIR COMPOUNDS, HYDROGEN AND ITS COMPOUNDS-QUESTION BANK
  1. Comment on the reactions of dihydrogen with chlorine,

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  2. Comment on the reactions of dihydrogen with sodium.

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  3. Comment on the reactions of dihydrogen with copper(II)oxide

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  4. Would you expect the hydrides of N, O and F to have lower boiling poin...

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  5. Can phosphorus with outer electronic configuration 3S^2 4p^3 form PH5 ...

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  6. How many hydrogen-bonded water molecule(s) are associated in CuSo4. 5H...

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  7. Calculate the strength of 10 volume solution of hydrogen peroxide.

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  8. The metallic lustre exhibited by sodium is explained by

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  9. Alkali metals impart colour to Bunsen flame due to

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  10. On prolonged exposure to air, sodium finally changes to

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  11. Which reaction below is explosive?

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  12. Which hydroxide is most basic?

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  13. Which of the following alkali metal halides has the lowest lattice ene...

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  14. The [O-O] bond length in H2O2 is

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  15. A sample of “H2O2” is labelled as “11.2 V". What is the molarity ?

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  16. Which of the following characterizes hard water ?

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  17. The primary reason balloons are filled with helium instead of hydrogen...

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  18. Lithopone is a mixture of

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  19. If a standard solution of NaOH is kept in open air for some hours -

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  20. CaCl2 is preferred over NaCI for clearing ice on roads particularly in...

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