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25.5 g of H(2)O(2) solution on decomposi...

25.5 g of `H_(2)O_(2)` solution on decomposition gave 1.68 L of `O_(2)` at STP. The percentage strength by weight of the solution is

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`20%`
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10 ml of H_2O_2 solution on decomposition liberated 200ml of O_2 at STP. Then the weight/volume percentage of that H_2O_2 solution is

It is customary to indicate the strength of a sample of H_2O_2 under specification of volume. The strength of H_2O_2 solution can also be in %(w/v) or molarity or normality. 10 vol H_2O_2 solution means Iml of H_2O_2 solution decomposes to give 10ml of O_2 gas at STP. 1 lit of H_2O_2 solution decomposes to give 10 lit of O_2 gas at STP. The volume strength of 15%(w/v) solution of hydrogen peroxide is

The percentage weight of hydrogen in H_(2)O_(2)

The volume of 40 vol. H_(2)O_(2) solution required to prepare 2L. of O_(2) at STP is

It is customary to indicate the strength of a sample of H_(2)O_(2) under specification of volume. The strength of H_(2)O_(2) solution can also be in %(w/v) or molarity or normality,"10 Vol H_(2)O_(2) solution means I ml of H_(2)O_(2) solution decomposes to give 10 ml of O_(2) gas at STP. 1 lit of H_(2)O_(2) solution decomposes to give 10 lit of O_(2) gas at STR. The mass of H_(2)O_(2) set in 600ml of to volume lydrogen peroxide solution is

It is customary to indicate the strength of a sample of H_(2)O_(2) under specification of volume. The strength of H_(2)O_(2) solution can also be in %(w/v) or molarity or normality,"10 Vol H_(2)O_(2) solution means I ml of H_(2)O_(2) solution decomposes to give 10 ml of O_(2) gas at STP. 1 lit of H_(2)O_(2) solution decomposes to give 10 lit of O_(2) gas at STR. The volume of ''20 V H_(2)O_(2) solution required to prepares is 5 litres of oxygen at STP is

AAKASH SERIES-HYDROGEN AND ITS COMPOUNDS-QUESTIONS FOR DESCRIPTIVE ANSWERS
  1. Why the use of hard water is disadvantages?

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  2. Ion exchange method is the best to purify water. Comment.

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  3. One litre water has 81 mg of calcium bicarbonate and 95 mg of magnesiu...

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  4. Hydrogen peroxide is more acidic than water. Substantiate.

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  5. A hard water sample contains 162 ppm of calcium bicorbonate only. Find...

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  6. A hard water sample contains magnesium bicarbonate only. 100 ml of the...

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  7. Find out the volume of oxygen gas liberated at S.T.P. on complete dec...

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  8. Find out the volume (in ml) of perhydrol to be decomposed to get oxyge...

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  9. Why does hydrogen occur in adiatomic form rather than in a monoatomic ...

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  10. What do you understand by (a) electron-deficient compounds, (b) electr...

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  11. What characteristics do you expect from an elecron deficient hydrode w...

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  12. Do you expect the carbon hydrides of the type (C(n)H(2n+2)) to act as ...

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  13. What do you expect the nature of hydrides is if formed by elements of ...

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  14. What do you understand by the term auto-protolysis of water? What is i...

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  15. Complete the following chemical reaction and classify them into (a) hy...

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  16. It is desired to oxide totally 1.6g of methane using oxygen at STP. Wh...

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  17. 25.5 g of H(2)O(2) solution on decomposition gave 1.68 L of O(2) at ST...

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  18. 20ml of hydrogen peroxide solution is added to excess of acidified KI ...

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  19. 52ml of sample of hydrogen peroxide solution after acidification with ...

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  20. Calculate the volume strength of 1.7% H(2)O(2) solution.

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