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Question: Answered & Verified by Expert
Most common isotopes of hydrogen (non-radioactive) is
ChemistryHydrogenJIPMERJIPMER 2019
Options:
  • A protium
  • B deuterium
  • C titrium
  • D All of these
Solution:
1990 Upvotes Verified Answer
The correct answer is: protium
Protium $\left({ }_1^1 H\right)$ deuterium or heavy hydrogen $\left({ }_1^2 \mathrm{H}\right.$ or D$)$ and tritium $\left({ }_1^3 \mathrm{H}\right.$ or T $)$ are the isotopes of hydrogen.
Protium or ordinary hydrogen has one proton and no neutron in the nucleus and one electron revolves around the nucleus. It is the most abundant and common form of hydrogen (approximately $99.98 \%$ ).
${ }_1^2 \mathrm{H}+{ }_{\mathrm{l}}^2 \mathrm{H} \longrightarrow{ }_1^3 \mathrm{H}+{ }_1^1 \mathrm{H}$

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