26 public questions tagged with this topic.
Diethylamine ((CH₃CH₂)₂NH) has sp3 hybridized nitrogen with a lone pair, giving a bond angle slightly less than 109.5° (around 107°-108°), as per the PDF’s structure.
Ref: NCERT Class 12 Chemistry > Chapter 13: Amines > Topic: Chemical Reactions - Alkylation, Acylation and Electrophilic Substitution
Benzene has a planar hexagonal ring with sp2 hybridized carbons, resulting in bond angles of 120°.
Ref: NCERT Class 11 Chemistry > Chapter 9: Hydrocarbons > Topic: Aromatic Hydrocarbons - Structure of Benzene and Resonance
CH₃CH=CHCH₃ fits C₄H₈ with 10 σ (7 C-H, 2 C-C, 1 from C=C) and 1 π (C=C). The second carbon (CH=) is sp², with a 120° bond angle.
Ref: NCERT Class 11 Chemistry > Chapter 8: Organic Chemistry - Some Basic Principles and Techniques > Topic: Isomerism - Structural Isomerism - Chain Position Functional Metamerism
In CH₃CH₂CH₂C≡CH, the carbon in C≡CH is sp hybridized (triple bond), with a linear bond angle of 180°.
Ref: NCERT Class 11 Chemistry > Chapter 8: Organic Chemistry - Some Basic Principles and Techniques > Topic: Isomerism - Stereoisomerism - Geometrical and Optical Isomerism
CH₃CH=CHCH₃ fits C₄H₈ with 8 σ and 1 π. The second carbon (CH=) is sp², with a 120° angle.
Ref: NCERT Class 11 Chemistry > Chapter 8: Organic Chemistry - Some Basic Principles and Techniques > Topic: Fundamental Concepts - Reaction Mechanism - Fission and Reaction Intermediates
In CH₃CH₂C≡CCH₂CH₃ (pent-2-yne), sp³ carbons (CH₃, CH₂) have 109.5°, while sp carbons (C≡C) have 180°. The first (CH₃) has the smallest.
Ref: NCERT Class 11 Chemistry > Chapter 8: Organic Chemistry - Some Basic Principles and Techniques > Topic: Electronic Effects - Inductive Mesomeric Hyperconjugation and Resonance
In BH₃ , boron is sp² hybridized with 3 bonding pairs and no lone pairs, forming a trigonal planar shape with 120° bond angles.
Ref: NCERT Class 11 Chemistry > Chapter 4: Chemical Bonding and Molecular Structure > Topic: Valence Bond Theory and Hybridisation - sp sp2 sp3 dsp2
In BeCl₂ , beryllium undergoes sp hybridization, resulting in a linear shape with a 180° bond angle.
Ref: NCERT Class 11 Chemistry > Chapter 4: Chemical Bonding and Molecular Structure > Topic: Valence Bond Theory and Hybridisation - sp sp2 sp3 dsp2
In SO₂ , sulfur is sp² hybridized with one lone pair, reducing the bond angle to about 119° due to lone pair-bond pair repulsion.
Ref: NCERT Class 11 Chemistry > Chapter 4: Chemical Bonding and Molecular Structure > Topic: Valence Bond Theory and Hybridisation - sp sp2 sp3 dsp2
In SiCl₄ , silicon is sp³ hybridized with no lone pairs, resulting in a tetrahedral shape with a bond angle of 109.5°.
Ref: NCERT Class 11 Chemistry > Chapter 4: Chemical Bonding and Molecular Structure > Topic: VSEPR Theory and Shapes of Molecules
In BrF₃ , bromine is sp³d hybridized with 5 electron pairs (3 bonding, 2 lone), forming a T-shaped geometry with ~87° bond angles.
Ref: NCERT Class 11 Chemistry > Chapter 4: Chemical Bonding and Molecular Structure > Topic: VSEPR Theory and Shapes of Molecules
In C₂H₂ (ethyne), each carbon is sp hybridized with a triple bond, resulting in a linear shape and 180° bond angle.
Ref: NCERT Class 11 Chemistry > Chapter 4: Chemical Bonding and Molecular Structure > Topic: Ionic Bonding - Lattice Enthalpy and Properties of Ionic Compounds
