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Which is the correct order of increasing...

Which is the correct order of increasing energy of the listed orbitals in the atom of titanium ?

A

`3s 3p 3d 4s`

B

`3s 3p 4s 3d `

C

`3s 4s 3p 3d`

D

`4s 3s 3p 3d `

Text Solution

Verified by Experts

The correct Answer is:
A
After filling electrons in titanium , the configuration is `1s^2 2s^2 2p^6 3s^2 3p^6 3d^1 4s^2`
so, correct order of orbitals in titanium is `3s, 3p, 3d, 4s`.
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