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Which of the following molecule having molecular formula C₄H₆O₂ will be optically active?
- a)CH₃COCH₂CH₃
- b)CH₃CH₂CH₂CHO
- c)CH₂ = CH-CH₂-COOH
- d)CH₂ = CH-CH(OH)CHO
Correct answer is option 'D'. Can you explain this answer?
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Which of the following molecule having molecular formula CHO will be o...
Explanation:
Optical Activity:
- A molecule is optically active if it has chiral centers, which are carbon atoms bonded to four different groups.
- Chiral molecules have non-superimposable mirror images, known as enantiomers.
Molecular Formula CHO:
- A molecule with the molecular formula CHO must have a carbon atom bonded to a hydrogen atom and an oxygen atom.
Analysis of Options:
a) CHCOCHCH: This molecule does not have a chiral center as the carbon atom is bonded to two hydrogen atoms and two carbon atoms.
b) CHCHCHCHO: This molecule does not have a chiral center as the carbon atom is bonded to three hydrogen atoms and one carbon atom.
c) CH = CH-CH-COOH: This molecule does not have a chiral center as the carbon atom is bonded to two hydrogen atoms, one carbon atom, and one carboxylic acid group.
d) CH = CH-CH(OH)CHO: This molecule has a chiral center at the carbon atom bonded to -OH, -CHO, -H, and -CH=CH2 groups.
Conclusion:
- The molecule with the formula CHO that is optically active is CH = CH-CH(OH)CHO.
Optical Activity:
- A molecule is optically active if it has chiral centers, which are carbon atoms bonded to four different groups.
- Chiral molecules have non-superimposable mirror images, known as enantiomers.
Molecular Formula CHO:
- A molecule with the molecular formula CHO must have a carbon atom bonded to a hydrogen atom and an oxygen atom.
Analysis of Options:
a) CHCOCHCH: This molecule does not have a chiral center as the carbon atom is bonded to two hydrogen atoms and two carbon atoms.
b) CHCHCHCHO: This molecule does not have a chiral center as the carbon atom is bonded to three hydrogen atoms and one carbon atom.
c) CH = CH-CH-COOH: This molecule does not have a chiral center as the carbon atom is bonded to two hydrogen atoms, one carbon atom, and one carboxylic acid group.
d) CH = CH-CH(OH)CHO: This molecule has a chiral center at the carbon atom bonded to -OH, -CHO, -H, and -CH=CH2 groups.
Conclusion:
- The molecule with the formula CHO that is optically active is CH = CH-CH(OH)CHO.
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Which of the following molecule having molecular formula CHO will be optically active?a)CHCOCHCHb)CHCHCHCHOc)CH = CH-CH-COOHd)CH = CH-CH(OH)CHOCorrect answer is option 'D'. Can you explain this answer?
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