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How can one prepare H(2) gas from water ...

How can one prepare `H_(2)` gas from water by using a reducing agent?

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Reaction between metals such as Na or K (strong reducing agents ) and water produce hydrogen gas.
2Na + `2H_(2)O rarr 2"NaOH" + H_(2) uarr`
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CHHAYA PUBLICATION-HYDROGEN-WARM UP EXERCISE
  1. Give an example and formula of a compound which on electrolysis libera...

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  2. Name two metals which can replace hydrogen from acid.

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  3. How can one prepare H(2) gas from water by using a reducing agent?

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  4. Write the industrial preparation of dihydrogen from water.

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  5. Explain why dihydrogen is relatively inert at room temperature.

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  6. Give example of two reaction one in which H(2) acts as on oxidising ag...

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  7. What do you mean by hardening of oils?

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  8. Show that the reactivity of halogens towards dihydrogen decreases on g...

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  9. Name two compounds, in one of which hydrogen is in + 1 and in the othe...

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  10. Explain why the chemical properties of ortho and para-hydrogen are the...

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  11. What is nascent hydrogen?

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  12. Show that nascent hydrogen is more active than ordinary molecular hydr...

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  13. What do you mean by atomic hydrogen?

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  14. Both dihydrogen and carbon monoxide burn in air with blue flame. How w...

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  15. Mention two advantages of using dihydrogen as a fuel with respect to g...

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  16. Mention four important uses of dihydrogen.

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  17. What do you mean by hydrides? Give examples along with their general f...

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  18. Why ionic or salt-like hydrides on electrolysis liberates dihydrogen a...

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  19. What characteristics do you expect from an electrondeficient and an el...

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  20. Why the boiling point of HF is higher than that of other hydrogen hali...

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