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What do you understand by (a) inert pair...

What do you understand by (a) inert pair effect (b) allotropy and (c) catenation?

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PRADEEP-SOME p-BLOCK ELEMENTS-NCERT QUESTIONS AND EXERCISES WITH ANSWERS (NCERT INTEXT SOLVED QUESTIONS)
  1. What are silicones ?

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  2. What happens when (a) Borax is heated strongly, (b) Boric acid is ...

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  3. Explain the following reactions (a) Silicon is heated with methyl ch...

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  4. Give reasons : (i) Conc. HNO(3) can be transported in aluminium con...

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

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  6. How would you explain the lower atomic radii of Ga as compared to Al?

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  7. What are allotropes? Sketch the structure of two allotropes of carbon ...

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  8. a. Classify following oxides as neutral, acidic, basic or amphoteric: ...

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  9. In some of the reactions, thallium resembles aluminium whereas in othe...

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  10. When metal X is treated with sodium hydroxide, a white precipitate (A)...

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  11. What do you understand by (a) inert pair effect (b) allotropy and (c...

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  12. A certain salt X gives the following results: (i) Its aqueous soluti...

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  13. Write balanced equations for the following: (i) BF(3)+LiHrarr (ii) B...

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  14. Give one method for industrial preparation and one for laboratory prep...

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  15. Aqueous solution of \(AlCl{3}\)is (A) acidic (B) basic (C) ampho...

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  16. Boric acid is polymeric due to (a) its acidic nature , (b) the pres...

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  17. The type of hybridisation of boron in diborane is (a) sp , (b) sp^(...

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  18. Thermodynamically the most stable form of carbon is (a) diamond , (b...

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  19. Elements of group 14 (a) exhibit oxidation state of +4 only (b) ex...

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  20. If the starting material for the manufacture of silicone is RSiCl(3), ...

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