QJEEM19Ch2653: JEE Main 2019 Chemistry - Class 11 JEEM19Ch2653 Solution: The total number of isotopes of hydrogen and number of…

Question

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

Accepted Answer

Total number of isotopes of hydrogen is 3

\Rightarrow \,\,{}_1^1H,{}_1^2H

or

{}_1^2D,\,{}_1^3H\,\,

or

{}_1^3T

and only

{}_1^3H

or

{}_1^3T

is an Radioactive element.

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