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Covalent Bond

Which of the ...

Question

Which of the following silicate is called pyroxene ?

A

Orthosilicate

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B

Pyrosilicate

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C

2D silicate

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D

Single-chain silicate

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Solution

The correct option is D Single-chain silicate
Single chain silicates are called pyroxene. They contain a linear single strand chain of composition $(S i O_{3})_{n}^{2 -}$ in which two oxygen atoms per tetrahedron are shared. Examples include Spodumene $L i A l (S i O_{3})_{2}$ and Enstatite
$M g S i O_{3}$ .

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