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Name the classes of hydrides to which ...

Name the classes of hydrides to which `H_(2)O, B_(2)H_(6)` and NaH belong.

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`H_(2)O` (covalent hydride , electron rich), `B_(2)H_(6)` (Covalent hydride, electron-deficient ), NaH (ionic hydride).
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PRADEEP-HYDROGEN -NCERT EXEMPLAR PROBLEMS WITH ANSWER, HINTS AND SOLUTIONS (SHORT ANSWER QUESTIONS)
  1. How can production of hydrogen from water gas be increased by usin...

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  2. What are metallic or interstitial hydrides? How do they differ from mo...

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  3. Name the classes of hydrides to which H(2)O, B(2)H(6) and NaH belo...

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  4. If same mass of liquid water and a piece of ice is taken, then why...

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  5. Complete the following equations (i) PbS(s) +H(2)O(2) (aq) to ...

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  6. Given reasons (i) Lakes freeze form top towards bottom. (ii) Ice ...

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  7. What do you understand by the term 'auto-protolysis of water' ? What i...

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  8. Dicuss briefly de- mineralistion of water by ion exchange resin.

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  9. Moleular hydrides are classified as electron deficient, electron prec...

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  10. How is heavy water prepared? Compare its physical properties with ...

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  11. Write one chemical reactions for the preparation of D(2)O(2).

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  12. Calculate the strenght of 5 volumes H(2)O(2) solution.

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  13. (i) Draw the gas phase and solid phase structure of H(2)O(2). (ii...

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  14. Melting point, enthalpy of vaporisation and viscosity data of H2 O an...

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  15. Dihydrogen reacts with dioxygen (O(2)) to from water .Write the na...

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  16. Explain why HCl is a gas and HF is a liquid ?

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  17. When the first element of the periodic table is treated with diox...

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  18. Rohan heard that instructions were given to the laboratory attend...

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  19. Given reason why hydrogen resembles alkali metals ?

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  20. Hydrogen generally form covalent compounds. Give reason

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