Question

If the total energy of the two atomic orbitals is $x$ and the energy difference between bonding and antibonding molecular orbitals is $y$ then the energy of bonding and anti-bonding molecular orbital will be:

• A. $\frac{y}{2}+x,\frac{y}{2}-x$
• B. $\frac{y}{2}+x,\frac{y}{2}+x$
• C. $x-\frac{y}{2}$, $x=\frac{y}{2}$
• D. $x+y,x-y$

Answer 1

The correct option is A $\frac{y}{2}+x,\frac{y}{2}-x$

As ${}^{\prime }{Y}^{\prime }$ is the energy of molecular orbitals.

For bonding molecular orbital, it is $\frac{y}{2}-x$ and for anti-bonding molecular orbital, it is $\frac{y}{2}+x$