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Halogen Derivatives — Chemistry STD 12 Science — Question

Maharashtra BoardEnglish MediumSTD 12 ScienceChemistryHalogen Derivatives1 Mark
MCQ
Which among the following functional groups has been given the highest priority while assigning $R-S$ configuration?
✓

Answer

Correct option: B.
$- CN$
(b) : As the first atom is same in all the four groups, the priority will be decided by the second atom. Hence $- CN$ will be given highest priority because $N$ has the highest atomic number.

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