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Complete the following reactions: (i) ...

Complete the following reactions:
(i) `C_(2)H_(4)+O_(2) to`
(ii) `4Al+3O_(2) to`

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NCERT TELUGU-THE P-BLOCK ELEMENTS -Intext Questions
  1. Why is H(2)O a liquid and H(2)S a gas ?

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  2. Which of the following does not react with oxygen directly ? Zn, Ti, P...

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  3. Complete the following reactions: (i) C(2)H(4)+O(2) to (ii) 4Al+3O...

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  4. Why does O(3) act as a powerful oxidising agent ?

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  5. How is O(3) estimated quantitatively ?

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  6. What happens when sulphur dioxide is passed through an aqueous solutio...

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  7. Comment on the nature of two S–O bonds formed in SO(2) molecule. Are t...

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  8. How is the presence of SO(2) detected ?

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  9. Mention three areas in which H(2)SO(4) plays an important role.

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  10. Write the conditions to maximize the yield of H(2)SO(4) by contact pro...

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  11. Why is K(a(2)) lt lt K(a(1)) for H(2)SO(4) in water ?

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  12. Considering the parameters such as bond dissociation enthalpy, electro...

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  13. Give two examples to show the anomalous behaviour of flurine.

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  14. Sea is the greatest source of some halogens. Comment.

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  15. Give the reason for bleaching action of Cl(2) ?

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  16. Name some poisonous gases which can be prepared from chlorine gas.

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  17. Why is ICl more reactive than I(2) ?

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  18. Why is helium used in diving apparatus ?

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  19. Balance the following equation : XeF(6)+H(2)OtoXeO(2)F(2)+HF

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  20. Why has it been difficult to study the chemistry of radon ?

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