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Explain why in the laboratory preparatio...

Explain why in the laboratory preparation of `H_(2)O_(2)` :
The paste of Ba`O_(2)` is poured into dilute `H_(2)SO_(4)` instead of pouring dilute `H_(2)SO_(4)` into the paste,

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Explain why in the laboratory preparation of H_(2)O_(2) : HCL or HN O_(3) is not used,

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

In the laboratory preparation of H_2O_2 a paste of BaO_2 is used instead of anhydrous BaO_2 . Explain.

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CHHAYA PUBLICATION-HYDROGEN-WARM UP EXERCISE
  1. Explain why in the laboratory preparation of H(2)O(2) : At the end o...

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  2. Explain why in the laboratory preparation of H(2)O(2) : HCL or HNO(3...

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  3. Explain why in the laboratory preparation of H(2)O(2) : The paste of...

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  4. Explain why in the laboratory preparation of H(2)O(2) : It is better...

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  5. Explain why in the laboratory preparation of H(2)O(2) : MnO(2) " "o...

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  6. What is Merck's perhydrol? How can it be prepared ?

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  7. How can H(2)O(2) be manufactured by using 50% H(2)SO(4) solution?

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  8. What is Marshall's acid?

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  9. How can H(2)O(2) solution be prepared by electrolysing an equimolar mi...

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  10. Explain why a solution of H(2)O(2) cannot be concentrated by distillat...

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  11. Which organic compound is used for manufacturing H(2)O(2) conveniently...

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

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

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

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

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

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

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

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

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

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