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Hydrogen forms three types of bonds in i...

Hydrogen forms three types of bonds in its compounds. Giving suitable examples, explain each type of bonding.

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a. Ionic bond: The binary hydrides of alkali metals (such as `LiH,NaH,KH` etc.) form ionic nond. they on electrolysis give hydride ion `H^(ɵ)`.
`NaH_(s)+H_(2)O_(aq)toH_(2(g)+NaOH_(aq)`
`Na^(o+)+H^(ɵ)toNaH`
b. Metallic bond: `d-` and `f-` block elements (metals) form metallic bond, Examples: `ScH_(2),YH_(2),LaH_(3)` etc.
c. Covalent bond: With `p`-block elements hydrogen forms covalent bond for expample
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CENGAGE CHEMISTRY ENGLISH-HYDROGEN, WATER AND HYDROGEN PEROXIDE-Ex 3.2
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  2. What is understood by 'hydrogen gap'?

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  3. Hydrogen forms three types of bonds in its compounds. Giving suitable ...

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  4. Elements with atomic numbers 17 and 20 form compounds with hydrogen. W...

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  5. Complete the following reactions. a.CaO((s))+H(2(g))to,b.CO(g)+H(2(g...

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  6. Describe some unusual properties of water.

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  7. What is the difference between the terms ‘hydrolysis’ and ‘hydration’ ...

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  8. What is meant by hydrogenation?

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  9. What are tHe advantages in using hydrogen as a fuel ?

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  10. Why are ionic hydrides frequently used to remove traces of water from ...

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  11. Although D(2)O resembles H(2)O chemically, yet it is a toxic substance...

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  12. Why do lakes freeze from top towards bottom ?

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  13. Why is ice less dense than water and what kind of attractive forces mu...

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  14. A white solid is either Na(2)O or Na(2)O(2). A piece of red litmus pap...

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  15. Explain the following. a. Hydrated barium peroxide is used in the pr...

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  16. An element has the minimum and maximum oxidation states as -X and +X r...

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  17. Give reason for the following a. The process 1/2H(2(g))+e^(ɵ)toH((g)...

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  18. The degree of hardness of a given sample of hard water is 40 p p m. If...

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  19. 34 g of H(2)O(2) is present in 1120 " mL of " solution. This solution ...

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  20. A 5.0 mL solution of H(2)O(2) liberates 1.27 g of iodine from an acidi...

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