The orbital energy ladder (molecular orbital energy level diagram) for NO and NO

Question

The orbital energy ladder (molecular orbital energy level diagram) for NO and NO+ is given below.  

1.      a). Populate each with the appropriate number of electrons.

NO

                        _________      sp(z)*
            _________      _________      px,y*
            _________      _________      px,y
                        _________      sp(z)

                        _________      ss*

                        _________      ss

NO+

                        _________      sp(z)*
            _________      _________      px,y*
            _________      _________      px,y
                        _________      sp(z)

                        _________      ss*

                        _________      ss

b). Calculate the bond order.

c). Which molecule is more stable?

d). State any unsual observation you might notice about NO.

Explanation / Answer

NO

_____1____ sp(z)*
____2_____ _______2__ px,y*
_____2____ _____2____ px,y
____2_____ sp(z)

__2_______ ss*

___2______ ss

NO+

_____0____ sp(z)*
_____2____ ______2___ px,y*
_____2____ ____2_____ px,y
____2_____ sp(z)

____2_____ ss*

____2_____ ss

b) B.O. = 1/2[bonding- antibionding]
    NO B.O.= 1/2[10-5] = 2.5

   NO+ = 1/2[10-4] = 3

c) NO+ is more stable
D) NO is para magnatic molecule or itis a odd electron molecule

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