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Why does silicon show a higher …

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Why does silicon show a higher covalency than carbon??

Posted by ???. Pragati 6 years, 11 months ago

CBSE > Class 11 > Chemistry

3 answers

Yogita Ingle 6 years, 11 months ago

Carbon cannot have a valency beyond four
C6 = 1s²2s²2p²
While silicon can extended covalency from 4 to 6
Si14 = 1s²2s²2p⁶3s²3p²
This is because of the absence of d-orbitals in the valence shell of carbon and presence of 3d-orbtials in the valence shell of silicon. Since silicon has vacant 3d- orbitals, it can accept electrons from electron donating species such as F^- ion to form complex ion.

Ankit Singh 6 years, 11 months ago

Hope this answer will help u

Ankit Singh 6 years, 11 months ago

Catenation is the linkage of atoms of the same element into longer chains. Catenation occurs most readily in carbon, which forms covalent bonds with other carbon atoms to form longer chains and structures.

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