1.

Choose the corret statements (s)

Answer»

Oxides of carbon family `(MO_2)` are all network solids WIT octahedral coordination.
Silica is a network SOLID with tetrahedral coordination
Carbon dioxide, tin dioxide and lead dioxide are all acidic oxides.
`N(CH_(3))_(3)` has pyramidal STRUCTURE.

Solution :Silica is a network solid with Si - O - Si bonds making it a hard solid. In `(CH_3)_(3)N` lone pair bond pair repulsion causes distortion giving it a pyramidal structure.


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