7 public questions tagged with this topic.
In CH₃COOH (acetic acid), the carbonyl carbon (C=O) has three sigma bonds (to O, OH, and CH₃) and one pi bond, indicating sp² hybridization.
Ref: NCERT Class 11 Chemistry > Chapter 8: Organic Chemistry - Some Basic Principles and Techniques > Topic: Fundamental Concepts - Reaction Mechanism - Fission and Reaction Intermediates
H⁺ adds to CH₃CH=CHCH₃ (but-2-ene), forming CH₃CH⁺CH₂CH₃ (secondary carbocation), stabilized by hyperconjugation.
Ref: NCERT Class 11 Chemistry > Chapter 8: Organic Chemistry - Some Basic Principles and Techniques > Topic: Electronic Effects - Inductive Mesomeric Hyperconjugation and Resonance
In CH₃CH₂CH₂CH=CH₂ (pent-1-ene), the fourth carbon (CH=) is part of the double bond, experiencing the strongest +I effect from adjacent alkyl groups.
Ref: NCERT Class 11 Chemistry > Chapter 8: Organic Chemistry - Some Basic Principles and Techniques > Topic: Electronic Effects - Inductive Mesomeric Hyperconjugation and Resonance
The double-bonded carbons in CH₃CH=CH₂ are sp² hybridized, forming a trigonal planar shape due to three sigma bonds and one pi bond.
Ref: NCERT Class 11 Chemistry > Chapter 8: Organic Chemistry - Some Basic Principles and Techniques > Topic: Classification and Nomenclature of Organic Compounds - IUPAC
In C₂H₄ (ethene), the C=C double bond has a bond length of ~134 pm, typical for carbon-carbon double bonds.
Ref: NCERT Class 11 Chemistry > Chapter 4: Chemical Bonding and Molecular Structure > Topic: Valence Bond Theory and Hybridisation - sp sp2 sp3 dsp2
In CO₂ , each C=O double bond has a bond length of ~123 pm, shorter than C=C in ethene (134 pm) due to higher bond strength.
Ref: NCERT Class 11 Chemistry > Chapter 4: Chemical Bonding and Molecular Structure > Topic: Valence Bond Theory and Hybridisation - sp sp2 sp3 dsp2
In CO₂ , carbon forms two double bonds with oxygen atoms, each involving two shared electron pairs.
Ref: NCERT Class 11 Chemistry > Chapter 4: Chemical Bonding and Molecular Structure > Topic: Molecular Orbital Theory - MOT and Bond Order and Magnetic Properties
