D And F Block Elements

Given below are two statement: one is labelled as Assertion \(\mathbf{A}\) and the other is labelled as Reason \(\mathbf{R}\)

Assertion A: \(5 \mathrm{f}\) electrons can participate in bonding to a far greater extent than \(4 \mathrm{f}\) electrons

Reason R: \(5 \mathrm{f}\) orbitals are not as buried as \(4 \mathrm{f}\) orbitals

In the light of the above statements, choose the correct answer from the options given below