The electronic configuration of T i 2- isA- 1 s2 2 s2 2 p6 3 s2 3 p6 3 d2B- 1 s2 2 s2 2 p6 3 s2 3 p6 4 s2C- 1 s 2 2 s 2 2 p 6 3 s 2 3 p 6 3 d 1 4 s 1D- 1 s 2 2 s 2 2 p 6 3 s 2 3 p 6 3 d 2 4 s 1

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Multi-Electron Configurations and Orbital Diagrams

The electroni...

Question

The electronic configuration of $T i^{2 +}$ is

1 s^{2} 2 s^{2} 2 p^{6} 3 s^{2} 3 p^{6} 3 d^{2}

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1 s^{2} 2 s^{2} 2 p^{6} 3 s^{2} 3 p^{6} 4 s^{2}

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1 s^{2} 2 s^{2} 2 p^{6} 3 s^{2} 3 p^{6} 3 d^{1} 4 s^{1}

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1 s^{2} 2 s^{2} 2 p^{6} 3 s^{2} 3 p^{6} 3 d^{2} 4 s^{1}

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Solution

The correct option is A $1 s^{2} 2 s^{2} 2 p^{6} 3 s^{2} 3 p^{6} 3 d^{2}$
The ground state electronic configuration of $T i$ is
$= 1 s^{2} 2 s^{2} 2 p^{6} 3 s^{2} 3 p^{6} 4 s^{2} 3 d^{2}$
So the electronic configuration of $T i^{2 +}$
$= 1 s^{2} 2 s^{2} 2 p^{6} 3 s^{2} 3 p^{6} 3 d^{2}$
Since electron will be removed from the $4 s$ orbital first.

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The electronic configuration of Ti2+ is

The correct option is A 1s22s22p63s23p63d2The ground state electronic configuration of Ti is =1s22s22p63s23p64s23d2 So the electronic configuration of Ti2+ =1s22s22p63s23p63d2 Since electron will be removed from the 4s orbital first.

The electronic configuration of $T i^{2 +}$ is