MEDIUMMCQ SINGLEIChO (Chemistry Olympiad)Inorganic ChemistryHydrogenPrevious Year Questions

Radioactive isotope of hydrogen is (RPMT 2007)

A.uranium

B.deuterium

C.tritium✓ Correct

D.None of these

Explanation

Isotopes are the chemical species that have the same atomic number but a different mass number. Hydrogen has three isotopes namely protium 1 1 H , Deuterium 2 1 D and Tritium 3 1 H . Tritium is a beta-emitting radioactive isotope of hydrogen. It contains one proton and two neutrons in the nucleus.

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