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Which of the following statements about ...

Which of the following statements about hydrogen is incorrect ?

A

Dithydrogen does not act as a reducing agent

B

Hydrogen has three isotopes of which tritium is the most common

C

Hydrogen never acts as cation in ionic salts

D

Hydronium ion, `H_(3)O^(+)` exists freely in solution

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The correct Answer is:
A, B
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  5. Hydrogen is prepared from H(2)O by adding

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  6. The hydride ion H^(-) is a stronger base than its hydroxide ion OH^(-)...

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  7. Which of the following statements about the interstitial compounds is ...

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

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  9. Which one of the following pairs of substances on reaction will not no...

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  11. The pair that yields the same gaseous product on reaction with water :

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  12. Ortho and para-hydrogen differ in the

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

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  14. Deuterium resembles hydrogen in chemical properties but reacts

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  15. Spin isomerism is shown by

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  16. Hydrogen can be fused to form helium at

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

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  18. The maximum possible number of hydrogen bonds in which an H(2)O molecu...

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  19. In which of the following reaction hydrogen peroxide is a reducing ag...

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