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How many orbitals are singly occupied in...

How many orbitals are singly occupied in `O_(2)` molecule ?

A

2

B

1

C

3

D

4

Text Solution

Verified by Experts

The correct Answer is:
A
M.O. configuration of `O_(2)` :
`(sigma1s^(2))(sigma^(**)1s^(2))(sigma2s^(2))(sigma^(**)2s^(2))(sigma2p_(z)^(2))(pi2p_(x)^(2) = pi 2p_(y)^(2))(pi^(**)2p_(x)^91) = pi^(**) 2p_(y)^(1))`
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