Which hydrogen isotope is radioactive?

Nuclear Power Engineering MCQs for PPSC, FPSC, NTS, and Pakistan government job tests. Select an option below, then read the explanation.

PPSCFPSCNTSPakistan govt jobs
Subject
Nuclear Power Engineeringchemical-engineering › nuclear-power-engineering
Published
7 Mar 2019
Last updated
28 May 2026

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Choose the correct answer

Explanation

Among hydrogen isotopes, Tritium is the only one that is radioactive. Deuterium and ortho-hydrogen are stable forms, while option D indicates none of the above, which is incorrect.

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