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Borax, orthoboric acid and diborane are ...

Borax, orthoboric acid and diborane are some useful compounds of boron. Explain the structure of diborane using a diagram.

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V PUBLICATION-THE p - BLOCK ELEMENTS-QUESTION BANK
  1. Carbon monoxide is highly poisonous. Why?

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  2. Two important oxides of carbon are carbon monoxide and carbon dioxide....

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  3. Borax, orthoboric acid and diborane are some useful compounds of boron...

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  4. What happens when Borax is heated

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  5. Explain the reaction Si is heated with methyl chloride at high tempera...

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  6. Give reasons (vii) Aluminium wire is used to make transmission cables.

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  7. Explain why is there a phenomenal decrease in ionisation enthalpy from...

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  8. How do you explain the lower atomic radius of gallium as compared to a...

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  9. Carbon has many allotropes. Write the name of any two allotropic forms...

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  10. Classify the oxides as neutral, acidic amphoteric and basic CO, B2O3...

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  11. In some of the reactions, thallium resembles aluminium, whereas in oth...

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  12. When metal 'X' is treated with sodium hydroxide, a white precipitate (...

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  13. What do you understand by (a) Inert pair effect (b) allotropy (c) cate...

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  14. A certain salt X gives the following reactions (i) Its aqueous solutio...

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  15. Write balanced equation for B2H6+H2O rarr

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  16. Give one method for industrial preparationi and one for laboratory pre...

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  17. The aqueous solution of borax is

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  18. Boric acid is polymeric due to -----

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  19. Write the type of hybridisation of each carbon in the compound CH3-C...

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  20. Thermodynamically most stable allotrope of carbon is

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