According to the R-S convention, which priority is correct for the following sets of groups? A)...

Question

Question

According to the R-S convention, which priority is correct for the following sets of groups? A) NH2> CI > CH3 >H B) CI> NH2 >

science chemistry

Answer 1

Answer #1

The priority is decided on the basis of CIP rule

1. The atom attached to the stereocenter gets the first priority if its atomic number is greater than the rest

2. If there is a tie, the atom attached to the second position to the stereocenter is taken into consideration.

3. If there are isotopes of the same atom attached to the same stereocenter, then isotope with heavier mass number is given priority.

Thus the correct option is B

Cl > NH₂ > CH₃ > H

atomic no for Cl: 17

atomic no for N: 7

atomic no for C: 6

atomic no for H : 1

Answer 2

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