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In silicon dioxide :...

In silicon dioxide :

A

there are double bonds between silicon and oxygen atoms.

B

silicon atom is bonded to two oxygen atoms.

C

each silicon atom is surrounded by two oxygen atoms and each oxygen atom is bonded to two silicon atoms.

D

each silicon atom is surrounded by four oxygen atoms and each oxygen atom is bonded to two silicon atoms.

Text Solution

Verified by Experts

The correct Answer is:
D
Silicon dioxide exhibits polymorphism.It is a network solid in which each `Si` atom is surrounded tetrahedrally by four oxygen atoms.
`-O-undersetundersetunderset(|)(O)(|)oversetoversetoverset(|)(O)(|)(Si)-O-undersetundersetunderset(|)(O)(|)oversetoversetoverset(|)(O)(|)(Si)-O-`
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