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Which of the following statements about ...

Which of the following statements about hydrogen is incorrect?

A

Dihydrogen 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.

Text Solution

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The correct Answer is:
A, B
A. Hydrogen cannot act as a reducing agnet.
Eg: `3H_(2)+N_(2)to2NH_(3)`
B. Hydrogen has 3 isotopes-tritium, protium is its most abundant form.
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PHYSICS WALLAH-HYDROGEN-LEVEL-2
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  2. Hydrogen molecule differs from chlorine molecule in the following resp...

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  3. Which one of the following properties shows that hydrogen resembles al...

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  4. Dihydrogen has :

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  5. The first ionization energy for in kJ "mol"^(-1) H, Li, F. Na has one ...

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  6. Reaction between following pairs will produce hydrogen except :

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  7. Hydrogen from HCl can be prepared by :

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  8. Nascent hydrogen consists of

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  9. Hydrogen combines with other elements by

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  10. Hydrogen accepts an electron to form inert gas configuration. In this ...

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  11. In all its properties, hydrogen resembles :

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  12. The oxidation states exhibited by hydrogen in its compounds are:

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  13. Which of the following groups represents the hydrides?

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  14. In which of the following compounds does hydrogen have an oxidation st...

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  15. Hydrogen acts as an oxidising agent in the reaction with :

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  16. Which of the following represents a pair of covalent hydrides?

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  17. Which of the following metals adsorbs hydrogen ?

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  18. The temporary hardness of water is due to the presence of

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  19. Temporary hardness may be removed from water adding.

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  20. Heavy water is used in nuclear reactors as:

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  21. One of the following is an incorrect statement, point it out.

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