Rank of the following groups in decreasing order of R, S precedence. array cccc - CH ( CH…
Chemistry · JEE Main · NTA Exams — Some Basic Principles of Organic Chemistry
Rank of the following groups in decreasing order of R, S precedence.
\[\begin{array}{cccc} -\mathrm{CH}\left(\mathrm{CH}_{3}\right)_{2} & -\mathrm{CH}_{2} \mathrm{CH}_{2} \mathrm{Br} & -\mathrm{CH}_{2} \mathrm{Br}-\mathrm{C}\left(\mathrm{CH}_{3}\right)_{3} \\ 1 & 2 & 3 & 4 \\ \text { (a) } 3 & 2 & 4 & 1 \\ \text { (b) } 1 & 4 & 2 & 3 \\ \text { (c) } 3 & 4 & 1 & 2 \\ \text { (d) } 3 & 4 & 2 & 1 \end{array}\]
\[\begin{array}{cccc} -\mathrm{CH}\left(\mathrm{CH}_{3}\right)_{2} & -\mathrm{CH}_{2} \mathrm{CH}_{2} \mathrm{Br} & -\mathrm{CH}_{2} \mathrm{Br}-\mathrm{C}\left(\mathrm{CH}_{3}\right)_{3} \\ 1 & 2 & 3 & 4 \\ \text { (a) } 3 & 2 & 4 & 1 \\ \text { (b) } 1 & 4 & 2 & 3 \\ \text { (c) } 3 & 4 & 1 & 2 \\ \text { (d) } 3 & 4 & 2 & 1 \end{array}\]
- a
- b
- c
- d
Answer
(C) c
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