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Radioactive elements emit alpha, beta a...

Radioactive elements emit `alpha, beta and gamma` rays and are characterised by their half-lives. The radioactive isotope of hydrogen is

A

Protium

B

Deuterium

C

Tritium

D

Hydronium

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The correct Answer is:
C
Nucleides with n/p neutron-proton) ratio `gt` 1.5 are usually radioactive. For example, tritium (n=2, p=1)
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PRADEEP-HYDROGEN -NCERT EXEMPLAR PROBLEMS WITH ANSWER, HINTS AND SOLUTIONS (NCERT Exemplar Problems Chapter 9 Hydrogen) Multiple Choice Question-I
  1. Hydrogen resembles halogens in many respects for which several fac...

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  2. Why does H^+ ion always get associated with other atoms or molecules?

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  3. Metal hydrides are ionic, covalent or molecular in nature. Among LiH, ...

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  4. Which of the following hydrides is electron-precise hydride ?

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  5. Radioactive elements emit alpha, beta and gamma rays and are charact...

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  6. Cosider the reactions (i) H(2)O(2) + 2HI to I(2) + 2H(2)O (ii...

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  7. The oxide that give H(2)O(2) on treatment with dilute H(2)SO(4) is

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  8. Which of the following equations depict theoxidising nature of H(2)O(2...

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  9. Which of the following equation depicts reducing nature of H(2)O(2)...

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  10. Hydrogen peroxide is

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  11. Which of the following reaction increases, production of dihydrogen fr...

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  12. When sodium peroxide is trated with the dilute sulphuric acid, we...

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  13. Hydrogen peroxide is obtained by the electrolysis of ………

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  14. Which of the following reaction is an example of use of water gas in t...

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  15. Which of the following ions will cause hardness in water sample?

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  16. Which of the following compounds is used for water softening ?

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  17. Elements of which of the following group(s) of periodic table do ...

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  18. Only one element of …….from hydride.

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