Isotope(s) of hydrogen which emits low energy β - particles with t 1 / 2 value > 12 years is/are

Isotope(s) of hydrogen which emits low energy β- particles with t1/2 value >12 years is/are
  1. Protium
  2. Tritium
  3. Deuterium
  4. Deuterium and Tritium

Solution

H11 and H12 are stable while ${ }_{1}^{3} \mathrm{H}$ is radioactive.

Asked in: JEE Main 2021 (22 Jul Shift 1)

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