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The percentage by weight of hydrogen in ...

The percentage by weight of hydrogen in `H_(2)O_(2)` is

A

`5*88`

B

`6*25`

C

25

D

`50.`

Text Solution

Verified by Experts

The correct Answer is:
A
Mol. Mass of `H_(2)O_(2)=2xx1+16xx2=34`.
`:.` Percentage of hydrogen `=(2)/(34)xx100`
`(100)/(17)=5.88%`
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DINESH PUBLICATION-HYDROGEN-REVISION QUESTIONS FROM COMPETITIVE EXAMS.
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  2. The boiling point of water is exceptionally high because

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  3. The percentage by weight of hydrogen in H(2)O(2) is

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  4. Consider the follwing statements : I. Atomic hydrogen is obtained by...

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  5. Match List I with List II and select the correct answer using the code...

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  6. The H-O-H angle in water molecule is about

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  7. When two ice cubes are pressed over each other, they unite to form one...

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  8. The metal that cannot displace hydrogen from dil. HCl is

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  9. In which of the following reactions, H(2)O(2) act as a reducing agent ...

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  10. The process used for the removal of hardness of water is

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  11. Which of the following acts as both reducing and oxidising agents ?

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  12. What is formed when calcium carbide reacts with heavy water?

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  13. Pure water can be obtained from sea water by

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  14. Action of water or dilute mineral acids on metals can give

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  15. Metal which does not react with cold water but evolves H(2) with steam...

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  16. Whichh of the following is correct about heavy water ?

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  17. Which of the following could act as a propellant for rockets ?

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  18. The reagent commonly used to determine hardness of water titrimetrical...

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  19. Shape of H(2)O(2) molecule is

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  20. Water softening by Clarke's process uses

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