Quantrex Quantrex AcademyJEE · NEET · NDA PYQs with solutions Open app
NEET2023ChemistryIonic EquilibriumActual

Amongst the given options which of the following molecules/ion acts as a Lewis acid?

Options

  1. AOH -
  2. BNH 3
  3. CH 2 O
  4. DBF 3

Correct answer

D. BF 3

Step-by-step solution

Lewis Acids are the chemical species which have empty orbitals and are able to accept electron pairs from Lewis bases. BF 3 has 6 electrons in the central metal atom, boron. Hence, it is electron deficient and is a Lewis acid. The other species OH - , NH 3 and H 2 O are not having any empty orbitals in them, instead they can donate lone pairs(Lewis bases).

Practice Ionic Equilibrium on Quantrex Academy →

More from Ionic Equilibrium

What amount of NaOH should be dissolved in a 500 mL solution, so that the p ^ H of solution is 12 at 298 K ? 2026Which of the following buffer solutions is used for precipitation of cations of the III A group? 2026The degree of dissociation of weak acid is directly proportional to 2026Which from the following is Lewis base? 2026The solubility of Fe(OH) ₃ is x mole per liter. Find its K_ sp . 2026The Basic buffer solution is made with 0.1 M NH ₄ OH and 0.2 M NH ₄ Cl . If K_b for the base is 1.8 10⁻⁵ , what is the pH of the buffer? 2026The hydrogen ion concentration of the ocean is about 2 10⁻⁹ M . What is the pOH of ocean? 2026Calculate the dissociation constant of a weak monobasic acid if it is 0.04% dissociated in a 0.01M solution. 2026 Full Ionic Equilibrium list All NEET PYQs