JEE Main 2019 Chemistry question

Chemistry Hydrogen JEE Main 2019

Not in JEE Main or NEET syllabus

The total number of isotopes of hydrogen and number of radioactive isotopes among them, respectively, are:

(A)3 and 2
(B)2 and 1
(C)2 and 0
(D)3 and 1Correct

Answer: (D)

Solution

Protium, deuterium, tritium; only tritium is radioactive.

Question ID VK-010681