The formula of 3 membered discrete chain sili | vedclass

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Question

(A) In cyclic silicates,$n$ number of $SiO_4^{4-}$ tetrahedra are linked together by sharing $2$ oxygen atoms per tetrahedron to form a ring structure

Vedclass · Accepted Answer

$Si_3O_9^{6-}$

Vedclass · Answer

(A) In cyclic silicates,$n$ number of $SiO_4^{4-}$ tetrahedra are linked together by sharing $2$ oxygen atoms per tetrahedron to form a ring structure.The general formula for cyclic silicates is $(SiO_3)_n^{2n-}$.For a $3$ membered ring,$n = 3$.Substituting $n = 3$ into the formula,we get $(SiO_3)_3^{2(3)-} = Si_3O_9^{6-}$.Therefore,the correct formula is $Si_3O_9^{6-}$.

The formula of $3$ membered discrete chain silicate is

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