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Why cannot the dilute solution of hydrog...

Why cannot the dilute solution of hydrogen peroxide be concentrated by strong heating?

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`H_(2)O_(2)` decomposes into `H_(2)` and `O_(2)`.
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Why can dilute solutions of hydrogen peroxide not be concentrated by heating? How can a conentrated solution of hydrogen peroxide be obtanied ?

Hydrogen peroxide (H_2 O_2) was first prepared by Thenard by acidifying barium peroxide and removal of excess water by evaporation under reduced pressure. Its strength can be expressed as weigth percentage or as volume percentage . 25% solution by weight means 25 g of hydrogen peroxide are present in 100 g of solution and 25 volume of hydrogen peroxide means that 1 litre of this solution will give 25 L of oxygen at NTP. Why can dilute solution of hydrogen peroxide not be concentrated by heating ?

The aqeous solution of hydrogen peroxide:

The strength of 15 volume solution of hydrogen peroxide is

CENGAGE CHEMISTRY-APPENDIX - INORGANIC VOLUME 1-Exercise Short
  1. What type of bonds are broken when water evaporates?

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  2. The degree of hardness of a given sample of hard water is 40 p p m. If...

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  3. Why cannot the dilute solution of hydrogen peroxide be concentrated by...

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  4. Which organic reagent can be used for the manufacture of hydrogen pero...

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  5. H(2)O(2)+Cl(2)to 2HCl+O(2) In the above reaction, H(2)O(2) act as .

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  6. Old lead paintings are generally washed with dilute solution of H(2)O(...

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  7. What is the dihedral angle between two H atoms of H(2)O(2)?

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  8. What is the product of the reaction between benzene and H(2)O(2)?

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  9. Which isotope of hydrogen (a) does not contain neutron, (b) contains e...

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  10. Why is dihydrogen not preferred in weather balloons these days?

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  11. Name two compounds which retard the decomposition of H(2)O(2).

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  12. What do you mean by 15 volume H(2)O(2) solution?

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  13. Give an example of a compound in which hydrogen exists in (a) +1, (b) ...

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  14. Can marine species live in distilled water?

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  15. Give an example of (i) ionic hydride, (ii) covalent hydride.

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  16. Why oxide ion is called a hard ion?

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  17. How is D(2)O(2) prepared?

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  18. Complete the following: CaC(2)+2D(2)Oto?

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  19. 10 mL of a given solution of H(2)O(2) contains 0.91 g of H(2)O(2). Exp...

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  20. In some toothpastes hydrogen peroxide is used. What is the role of H(2...

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