Which one of the following is not an isotope of hydrogen:
Correct answer: C. Ortho hydrogen
- A. Deuterium
- B. Tritium
- C. Ortho hydrogen
- D. None of these
Explanation
Ortho-para hydrogen are spin isomers of hydrogen . Hydrogen only has 3 isotopes. Refer to the image below:
This question appeared on the NUMS 2014 paper, which you can sit online with every answer explained.
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About Discovery of the Proton
The discovery of the proton follows the study of positive rays, also called canal rays, observed in discharge tubes and later identified as positively charged particles. The work of Goldstein and Rutherford is linked to the proton's charge, relative mass and role in the nuclear model, distinct from the discovery of the electron.
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