Question

A sigma bond may be formed by the overlap of 2 atomic orbitals of atoms $A$ and $B$. If the bond is formed along the $x-$axis, which of the following overlaps is acceptable?

• A. $s$ orbital of $A$ and $p_z$ orbital of $B$
• B. $p_x$ orbital of $A$ and $p_y$ orbital of $B$
• C. $p_z$ orbital of $A$ and $p_x$ orbital of $B$
• D. $p_x$ orbital of $A$ and $s$ orbital of $B$

Answer 1

The correct option is D $p_x$ orbital of $A$ and $s$ orbital of $B$

Along $x-$axis, $p_x$ and $s$ orbitals overlapping is favorable.

So, $p_x$ of $A$ and $s$ of $B$.