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Why does hydrogen occur in a diatomic fr...

Why does hydrogen occur in a diatomic from rather than in a monoatomic form under normal conditions?

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Hydrogen atom has only one electron and thus has one electron less than the stable insert gas configuration of helium. Therefore, to achieve stable insert gas configuration of helium, it shares its single electron with electron of other hydrogen atom to form a stable diatomic molecule.
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PRADEEP-HYDROGEN -NCERT Questions and Exercises with Answers (NCERT INTEXT SOLVED QUESTIONS)
  1. Calculate the strength of 18 volume hydrogen peroxide solution.

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  2. Write the names of isotopes of hydrogen . What is the mass of these is...

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  3. Why does hydrogen occur in a diatomic from rather than in a monoatomic...

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  4. How can the production of dihydrogen, obtained from 'Coal gasification...

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  5. Describe the bulk preparation of dihydrogen by electrolytic method. Wh...

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  6. Complete the following reactions: a.H(2)(g)+M(m)O(o)(s)overset(Delt...

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  7. Discuss the consequences of high enthalpy of H-H bond in terms of chem...

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  8. What do you understand by (i) electron-deficient, (ii) electron-precis...

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  9. What characteristics do you expect from an electron-deficient hydride ...

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  10. Do you expect the carbon hydrides fo the type (C(n)H(2n+2)) to act as ...

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  11. What do you understand by the term “non-stoichiometric hydrides”? Do y...

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  12. How do you expect the metallic hydrides to be useful for hydrogen stor...

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  13. How does the atomic hydrogen or oxy-hydrogen torch funtion for cutting...

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  14. Among NH(3),H(2)O, and HF, which would you expect to have highest magn...

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  15. Saline hydrides are known to react with water violently producing fire...

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  16. Arrange the following (i) CaH(2), BeH(2) and TiH(2) in order of increa...

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  17. Compare the stuctures of H(2)O and H(2)O(2).

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  18. What do you understand by the term 'auto-prolysis' of water ? What is ...

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  19. Consider the reacton of water with F(2) and suggest, in terms of oxida...

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  20. Complete the following chemical reactions. (i) PbS(s)+H(2)O(2)(aq) t...

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