Chemistry - STEREO ISOMERISM Question with Solution | TestHub

ChemistrySTEREO ISOMERISMELEMENT OF SYMMETRYMedium2 minQB
ChemistryMediumsingle choice

Which of the following molecules are chiral? Identify the chirality center(s) in each.

(a) structure

3-Hydroxybutanoic acid (b) structure

Alanine (amino acid)

(c) structure

4-Methyl-2-pentanol

Options:

Answer:
A
Solution:

All three molecules are chiral. The chirality centers are marked with an asterisk (*) :

(a) structure

3-Hydroxybutanoic acid : 1 (b) structure

Alanine : 1

(c) structure

4-Methyl-2-pentanol : 1

Each molecule has one carbon bearing four different groups, and no plane or centre of symmetry.

Ans. (a), (b) and (c) are chiral. Chirality centers : (a) 1 (b) 1 (c) 1

Stream:JEESubject:ChemistryTopic:STEREO ISOMERISMSubtopic:ELEMENT OF SYMMETRY
⏱ 2mℹ️ Source: QB

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