1.

When two or more isotopic atoms are connected to the asymmetric chiral carbon atom of the same element, the priority sequence is :

Answer»

ISOTOPE of higher MASS preceeds over the lower
Isotope of lower mass preceeds over the higher
All the isotopes are equivalent
Most stable isotope preceeds over the UNSTABLE

SOLUTION : Isotope of higher mass preceeds over the lower


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