JEE Main Chemistry question

Not in JEE Main or NEET syllabus

Radioactive isotope of hydrogen is [MP PET 2003]

(A)TritiumCorrect
(B)Deuterium
(C) hydrogen
(D) hydrogen

Answer: (A)

Solution

Among the three isotopes of hydrogen (protium, deuterium and tritium), only tritium (H) is radioactive; it undergoes decay to He with a half-life of about

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Question ID VK-137178