Question

Co is stable but sio is unstable .why?

Answer 1

CO is stable than SiO because :

1. si has an additional valence shell that make it larger.
2. addition of a shell in Si makes difference in their energies.
3. and most important is that, Si has oxidation state only +4 therefore it can be stable only with TWO oxygen atoms. While C has oxidation state +4, -4 and -2. therefore it can easily form a stable bond with oxygen.

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