Question

Which best describes the definition of Lewis acids and bases? a general definition based on electron structure a general definition based on hydrogen ion concentration a specific definition based on a compound’s ability to accept protons a specific definition based on a compound’s ability to donate protons

Answer 1

a general definition based on electron structure 

Lewis acid is a molecule or ion that has vacant electron orbitals.  The Lewis base is a molecule or ion that is a donor of an electron pair.

Answer 2

The Lewis acid and base has been defined on the basis of electron structure. Thus, option A is correct.

The acids have been defined as the molecules that loses the hydrogen ion in the solution, while the bases are the compounds that adds hydroxide ions and increase the pH.

Definition of Lewis acid and base

The Lewis acid has been denoted as the compound that accepts electrons from the solution. The Lewis base has been the compound that act as electron donor to the solution.

Thus, the Lewis acid and base has been defined on the basis of electron structure. Thus, option A is correct.

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