Q.

In the formation of SF6 molecule, the sulfur atom is in

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a

third excited state
 

b

first excited state
 

c

second excited state
 

d

fourth excited state

answer is B.

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Detailed Solution

In the formation of the SF6 molecule, the sulfur atom is in the 2nd¯ excited state.
- In SF6 molecule, S is in +6 Oxidation State.
- The atomic number of Sulfur is 16. Its electronic configuration is: 1s22s22p63s23p43d0.
- We need 6 unpaired electrons. So '1'electron each from 3p and 3s orbital jumps to the 3d orbital.

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