Question

Which of the following is a positive overlap that leads to bonding?

(I)

(II)

(III)

(IV)

• A. I and II
• B. II and III
• C. III and IV
• D. I and IV

Answer 1

Answer: (B)

Concept: Overlapping of only same phase creates bonding.

(I) There is no case of bonding as a positive phase cannot simultaneously make bond with other orbital's positive as well as negative phase

(II) This creates bonding of p and d orbital.

(III) This creates bonding of two 'p' orbitals.

(IV) This is the case of anti-bonding of two 'd' orbitals.