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Arrange the following: NaH, "MgH"(2) an...

Arrange the following:
NaH,` "MgH"_(2) and H_(2)`O in order of increasing reducing property.

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NaH, being an ionic hydride, is a powerful reducing agent than the covalent hydrides `"MgH"_(2) and H_(2)O`. `"MgH"_(2)` is a stronger reducing agent than `H_(2)O` because the bond dissociation enthalpy of the Mg - H bond is much lower than that of the O-H bond. Therefore, the reducing property increases in the order: `H_(2)O lt " MgH"_(2) lt " NaH"`.
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CHHAYA PUBLICATION-HYDROGEN-SOLVED NCERT EXERCISE
  1. Arrange the following: LiH, NaH and CsH in order of increasing ionic...

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  2. Arrange the following: H-H, D-D and F-F in order of increasing bond di...

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  3. Arrange the following: NaH, "MgH"(2) and H(2)O in order of increasing...

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  4. Compare the structures of H(2)O and H(2)O(2).

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  5. What do you understand by the term 'auto-protolysis' of water? What is...

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  6. Consider the reaction of water with F(2) and suggest, in terms of oxid...

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  7. Complete the chemical reactions. PbS(s) + H(2)O(2)(aq) rarr "MnO"(4...

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  8. Describe the structure of the common form of ice.

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  9. What causes the temporary and permanent hardness of water?

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  10. Discuss the principle and method of softening of hard water by synthet...

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  11. Write chemical reactions to show the amphoteric nature of water.

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  12. Write chemical reactions to justify that hydrogen peroxide can functio...

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  13. What is meant by 'demineralised' water and how can it be obtained?

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  14. Is demineralised or distilled water useful for drinking purposes? If n...

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  15. Describe the usefulness of water in biosphere and biological systems.

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  16. What properties of water make it useful as a solvent? What types of co...

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  17. Knowing the properties of H(2)O and D(2)O do you think that D(2)O can ...

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  18. What is the difference between the terms 'hydrolysis' and 'hydration'?

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  19. How can saline hydrides remove traces of water from organic compounds?

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  20. What do you expect the nature of hydrides is, if formed by elements of...

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