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How do you explain the lower atomic radi...

How do you explain the lower atomic radius of gallium as compared to aluminium?

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V PUBLICATION-THE p - BLOCK ELEMENTS-QUESTION BANK
  1. Give reasons (vii) Aluminium wire is used to make transmission cables.

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

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

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

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

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

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

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

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

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  10. Write balanced equation for B2H6+H2O rarr

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

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  12. The aqueous solution of borax is

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

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

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  15. Thermodynamically most stable allotrope of carbon is

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  16. The Elements of group 14 show ----- oxidation states

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  17. If the starting material for the manufacture of silicones is 'RSiCl3',...

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  18. How is carbon monoxide important in metallurgy?

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  19. What is the biological importance of H2 CO3 / HCO3^- equilibriu...

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  20. Give reasons: a. Silicon form compounds with coordination number of ...

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