Question

Prove that sicl4 has vacant orbitals

Answer 1

Answer:

Explanation:

first write the electronic configurations of Si and Cl

Si    1s2 2s2 2p6 3s2 3p2 3d0

after excitation,

Si     1s2 2s2 2p6 3s1 3p3 3d0

so it can form four sigma bonds and if we observe carefully d orbitals are vacant

Cl     1s2 2s2 2p6 3s2 3p5 3d0

so it will form one bond

if Si wants to combine with Cl then Si needs 4Cl atoms  

thus in each atom d orbitals are vacant orbitals

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