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JEE PYQ: Hydrogen Question 25

Question 25 - 2019 (10 Jan Shift 1)

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

(a) 3 and 1 (b) 3 and 2 (c) 2 and 1 (d) 2 and 0

Show Answer

Answer: (a)

Solution

There are three isotopes of H out of which only tritium is radioactive, with half life of 12.33 years.


Learning Progress: Step 25 of 31 in this series