Easy MCQ +4 / -1 PYQ · JEE Mains 2021

Isotope(s) of hydrogen which emits low energy $\beta$$-$ particles with t1/2 value > 12 years is/are

  1. A Protium
  2. B Tritium Correct answer
  3. C Deuterium
  4. D Deuterium and Tritium

Solution

$_1^1$H and $_1^2$H are stable while $_1^3$H is radioactive.

About this question

Subject: Chemistry · Chapter: Chemical Kinetics · Topic: Rate of Reaction

This question is part of PrepWiser's free JEE Main question bank. 96 more solved questions on Chemical Kinetics are available — start with the harder ones if your accuracy is >70%.

Drill 25 more like these. Every day. Free.

PrepWiser turns these solved questions into a daily practice loop. Chapter-wise drills, full mocks, AI doubt chat. No auto-renew.

Start free →