Quantrex Quantrex AcademyJEE · NEET · NDA PYQs with solutions Open app
KCET2021ChemistryChemical Bonding and Molecular Structure

Which of the following is an incorrect statement?

Options

  1. AHydrogen bonding is stronger than dispersion forces
  2. BSigma bonds are stronger than -bonds
  3. CIonic bonding is non-directional
  4. D-electrons are referred to as mobile electrons

Correct answer

D. -electrons are referred to as mobile electrons

Step-by-step solution

All the statements except (d) are correct. The correct statement is -electrons are referred to as mobile electrons.

Practice Chemical Bonding and Molecular Structure on Quantrex Academy →

More from Chemical Bonding and Molecular Structure

Which of the following sets are correctly matched? Molecule Hybrididization Geometry I. BrF ₅ sp ^3 d ^2 square pyramidal II. XeF ₆ sp ^3 d ^3 Distorted octahedral III. SF ₄ dsp ^2 2025The order of dipole moments of H ₂ O ( A ), CHCl ₃( ~B ) and NH ₃( C ) is 2025The correct order of increasing bond lengths of C - H , O - H , C - C and H - H is 2025The sum of the bond orders of O ₂²⁺, O ₂²⁻, O ₂⁺, O ₂⁻, O ₂ and sum of the unpaired electrons present in them respectively are 2025Match the following List-I (Molecule) List-II (Dipole moment in D) A) HCl I) 1.07 B) NH ₃ II) 1.85 C) H ₂ O III) 0.23 D) NF ₃ IV) 1.47 The correct answer is 2025Which of the following sets are correctly matched? Molecule Number of lone pairs of electrons on central atom Hybridization I) PCl ₃ 1 sp ^3 II) SO ₂ 1 sp ^2 III) SF ₄ 1 sp ^3 d IV 2025The number of molecules having lone pair of electrons on central atom in the following is ( BF ₃,~ SF ₄,~ SiCl ₄,~ XeF ₄,~ NCl ₃,~ XeF ₆,~ PCl ₅,~ HgCl ₂,~ SnCl ₂ ) 2025Observe the following molecules/ions. NH ₄⁺, NH ₃, BF ₃, OH ⁻, CH ₃⁺, H ⁺, CO , C ₂ H ₄ The number of Lewis bases in the above list is 2025 Full Chemical Bonding and Molecular Structure list All KCET PYQs