Chemistry - STEREO ISOMERISM Question with Solution | TestHub

ChemistrySTEREO ISOMERISMABSOLUTE AND RELATIVE CONFIGURATIONEasy2 minQB
ChemistryEasysingle choice

Indicate whether each of the following structures has the R configuration or the S configuration:

(a) structure (b) structure

(c) structure (d) structure

Options:

Answer:
B
Solution:

Assign CIP priorities, then trace 1 2 3 with the lowest priority group away (invert when it is towards you).

(a) CH2Br (1) CH(CH3)2 (2) CH2CH3 (3) CH3 (4) : R.

(b) OH (1) CH2Br (2) CH2CH2Cl (3) CH2CH3 (4) : R.

(c) OH (1) CH=CHCH2CH3 (2) CH2CH3 (3) H (4) : R.

(d) Cl (1) CH2CH2CH3 (2) CH2CH3 (3) H (4) : R.

Ans. (a) R (b) R (c) R (d) R

Stream:JEESubject:ChemistryTopic:STEREO ISOMERISMSubtopic:ABSOLUTE AND RELATIVE CONFIGURATION
⏱ 2mℹ️ Source: QB

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