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Apart from tetrahedral geometry, another...

Apart from tetrahedral geometry, another possible geometry for `CH_(4)` is square planar with the four `H` atoms at the corners of the square and the `C` atom at its centre. Explain why `CH_(4)` is not square planar?

A

the absence of d orbital

B

the smaller size of C atom

C

the smaller size of H atom

D

All of the above

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A
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