Carbon and silicon belong to the 14th group. The maximum coordination number of carbon in commonly occurring compounds is 4, whereas that of silicon is 6. This is due to:
A
the availability of low energy d-orbitals in silicon
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B
large size of silicon
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C
more electropositive nature of silicon
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D
both (b) & (c)
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Solution
The correct option is A the availability of low energy d-orbitals in silicon
Silicon has a coordination number of six owing to the presence of low energy d-orbitals which can also participate in bonding.