The reason for the distinct difference in the properties of C O 2 and S i O 2 is

Question

The reason for the distinct difference in the properties of C O 2 and S i O 2 is, Carbon is more electronegative than O and in case of S i O 2 oxygen is more electronegative than silicon, Carbon has small size and forms a π bond with good overlap whereas silicon has larger size hence has a poor π -overlap, First ionization potential of carbon is higher than that of silicon, Carbon has only 'p' orbitals and lacks 'd' orbitals whereas silicon has 'd' oribtals

MARKS App · Accepted Answer

C O 2 is a linear discrete gaseous molecule while S i O 2 is a three dimensional network solid as in C O 2 π bond do not polymerised due to strong overlapping while in S i O 2 π bond polymerised due to poor overlapping.

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