Engineering
Chemistry
Acidic and Basic Strength
Question

Among the following molecular orbitals, how many have at least one nodal plane ?
σ*1s, σ*2s, σ*2pz, π2px, π*2py, σ2pz.

4

5

2

6

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Solution

σ*1s, σ2sσ*2sπ2pxπ*2pyσ2pz

for example π*2px has 2 nodal planes The σ2s only has no nodal plane & same in σ2p so total 5 have at least 1 nodal plane.

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