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Which of the following pair of substance...

Which of the following pair of substances will not evolve `H_2` gas

A

Iron and aqeous `H_(2)SO_(4)`

B

Copper and `HCl_((aq))`

C

Sodium and ethanol

D

Iron and steam

Text Solution

Verified by Experts

The correct Answer is:
C
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CENGAGE CHEMISTRY-HYDROGEN, WATER AND HYDROGEN PEROXIDE-Exercises (Single Correct)
  1. The hydride ion H^(ɵ) is a stronger base than hydroxide ion. Which of ...

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  2. The volume strength of 1*5 N H(2)O(2) solution is

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  3. Which of the following pair of substances will not evolve H2 gas

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  4. H2 molecule has two electrons and two nuclei. In which form of hydroge...

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  5. What is false about Lane's process?

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  6. Which of the following hydrides are generally non-stoichiometric in na...

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  7. Dihydrogen gas may be prepared by heating caustic soda on

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  8. The volume of 10 volume of H2O2 required to liberate 500mL of O2 at ST...

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  9. Pure H2O2 is

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  10. Hydrogen can react with the following even in dark:

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  11. When zeolite, which is hydrated sodium aluminium silicate is treated w...

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  12. 34 g of H(2)O(2) is present in 1120 ml of H(2)O solution. This solutio...

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  13. A 5.0 cm^(3) solution of H(2)O(2) liberates 1.27 g of iodine from an a...

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  14. A 5.0mL solution of H2O2 liberates 1.27g of iodine from an acidified K...

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  15. 100 mL of ozone at STP was passed through 100 mL of 10 volume H(2)O(2)...

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  16. 25mL samples of distiled water, tap water and boiled water required, r...

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  17. 3.4 g sample of H(2)O(2) solution containing x% H(2)O(2) by weight req...

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  18. If 100 mL of acidified 2NH(2)O(2) is allowed to react with KMnO(4) sol...

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  19. 100mL of H2O2 is oxidised by 100mL of 0.01M KMnO4 in acidic medium (Mn...

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  20. 10mL of H2O2 solution (volume strength = x) requires 10mL of N//0.56 M...

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