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Explain why the dissociation of H(2)O(2)...

Explain why the dissociation of `H_(2)O_(2)` is a disproportionation reaction.

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Explain why Ga(+1) undergoes disproportionation reaction.

Explain why the thermal stability of H_(2)O_(2) is very low.

Explain why a solution of H_(2)O_(2) cannot be concentrated by distillation at atmospheric pressure. How will you get pure H_(2)O_(2) from its dilute solution?

Why does Ga (+1) undergo disproportionation reaction?

Explain why in the laboratory preparation of H_(2)O_(2) : the reaction is carried out at low temperature,

Explain why the bond dissociation enthalpy of F_(2) is less than that of Cl_(2) .

Give an example of a disproportionation reaction of H_(3)PO_(3) .

Explain why a solution of H_(2)O_(2) cannot be stored in an ordinary glass bottle in the laboratory rack.

Explain why in the laboratory preparation of H_(2)O_(2) : A thin paste of hydrated barium peroxide is used instead of anhydrous barium peroxide

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CHHAYA PUBLICATION-HYDROGEN-WARM UP EXERCISE
  1. Which organic compound is used for manufacturing H(2)O(2) conveniently...

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  2. Discuss the structure of H(2)O(2) molecule.Explain why the shape of H(...

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  3. Explain why the dissociation of H(2)O(2) is a disproportionation react...

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  4. Mention some of the factors which accelerate the decomposition of H(2)...

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  5. Name two compounds which can decelerate the decomposition of H(2)O(2).

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  6. H(2)O(2) reacts with NaOH to give two types of salts - why? Write dow...

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  7. Explain why H(2)O(2) cannot liberate CO(2) by reducing carbonate or bi...

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  8. H(2)O(2) exhibits both oxidising and reducing properties. Explain why.

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  9. What do you mean by the 'antichlor' property of H(2)O(2)?

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  10. Give the mechanism of the bleaching action of H(2)O(2).

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  11. What are perhydrates? Give examples.

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  12. How is H(2)O(2) preserved in the laboratory?

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  13. It is better to preserve H(2)O(2) in a polythene bottle than in a glas...

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  14. Explain why H(2)O(2) is used to restore the original colour of oil-pai...

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  15. How will you identify a colourless liquid as H(2)O(2) or H(2)O?

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  16. What happens when H(2)O(2) is added to acidified KI solution followed ...

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  17. What is perhydrol?

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  18. What is Fenton's reagent? Mention its use.

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  19. Give the name and structure of the compound used as brightener in wash...

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  20. Mention the role of H(2)O(2) in pollution control.

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