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Which of the following is Radioactive?(a) protium(b) tritium(c) chlorine(d) deuteriumThe question was posed to me by my school principal while I was bunking the class.I would like to ask this question from Dihydrogen & H2 in section Hydrogen of Chemistry – Class 11

Answer»

Correct answer is (a) protium

To explain: Among the THREE ISOTOPES of Hydrogen; protium, deuterium and tritium, a radioactive isotope is tritium and it emits BETA RAYS and its half-life is 12.33 year. The other two isotopes protium deuterium are non Radioactive.



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