Question

The types of bond that are formed by dx2- y2 and all s,p,d orbitals orbital on each molecular axis

• A. Sigma
• B. Pi
• C. Delta
• D. Sigma, Pi, Delta bonds

Answer 1

Answer: (D)

Sigma, Pi, Delta bonds

Answer 2

The $d_{x^2-y^2}$ orbital has lobes along the x and y axes.

1. Sigma ($\sigma$) bonds are formed by head-on overlap. Examples include $d_{x^2-y^2}$ with an s-orbital along the x-axis, $d_{x^2-y^2}$ with a $p_x$ orbital along the x-axis, or $d_{x^2-y^2}$ with another $d_{x^2-y^2}$ orbital along the x-axis.

2. Pi ($\pi$) bonds are formed by side-on overlap. An example is $d_{x^2-y^2}$ with a $p_z$ orbital, where the internuclear axis is the x-axis. The $p_z$ lobes overlap laterally with the $d_{x^2-y^2}$ lobes.

3. Delta ($\delta$) bonds are formed by four-lobe overlap. An example is the overlap between two $d_{x^2-y^2}$ orbitals along the z-axis, where all four lobes of one orbital overlap with the four lobes of the other.