The dand fblock elements - Result Question 6
####6. Which is the correct order of increasing energy of the listed orbitals in the atom of titanium?
(a) $3 s 4 s 3 p 3 d$
(b) $4 s 3 s 3 p 3 d$
(c) $3 s 3 p 3 d 4 s$
(d) $3 s 3 p 4 s 3 d$
[2015 RS]
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Solution:
- (d) $(n+l)$ rule can be used. Titanium is a multi electron system
If $(n+l)$ values are same, then value of " $n$ " has to be considered. The orbital with lower $n$ value is filled first.
