5 public questions tagged with this topic.
In CH₃CH₂CHClCH₂CH₃ , the Cl-bearing carbon (C₃) is bonded to C₂, Cl, C₄, and one H, so it has 1 hydrogen.
Ref: NCERT Class 12 Chemistry > Chapter 6: Haloalkanes and Haloarenes > Topic: Nature of C-X Bond and Methods of Preparation
In NH₄⁺ , nitrogen donates a lone pair to H⁺ , forming a coordinate bond.
Ref: NCERT Class 11 Chemistry > Chapter 4: Chemical Bonding and Molecular Structure > Topic: Ionic Bonding - Lattice Enthalpy and Properties of Ionic Compounds
In XeF₄ , xenon is sp³d² hybridized with 6 electron pairs (4 bonding, 2 lone), resulting in a square planar molecular shape.
Ref: NCERT Class 11 Chemistry > Chapter 4: Chemical Bonding and Molecular Structure > Topic: Ionic Bonding - Lattice Enthalpy and Properties of Ionic Compounds
In HF , the H-F electronegativity difference (1.9) is greater than H-O (1.4) or H-N (0.9), leading to the strongest hydrogen bonding.
Ref: NCERT Class 11 Chemistry > Chapter 4: Chemical Bonding and Molecular Structure > Topic: Hydrogen Bonding and Resonance and Dipole Moment
Ionic character increases with larger cation size and lower polarizing power in group 2. BaF₂ (Ba²⁺, largest) has the highest ionic character among BeF₂, MgF₂, CaF₂, and BaF₂.
Ref: NCERT Class 11 Chemistry > Chapter 3: Classification of Elements and Periodicity in Properties > Topic: Genesis of Periodic Classification - Dobereiner Newlands Mendeleev
