JEE PYQ: Hydrogen Question 23
Question 23 - 2019 (09 Jan Shift 1)
The isotopes of hydrogen are:
(a) Tritium and protium only (b) Protium and deuterium only (c) Protium, deuterium and tritium (d) Deuterium and tritium only
Show Answer
Answer: (c)
Solution
Hydrogen has three isotopes: Protium ($^1_1\text{H}$), deuterium ($^2_1\text{H}$) and tritium ($^3_1\text{H}$).