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Question

Name the structure of silicate in which three oxygen atoms of [SiO4]4 are shared :

A
pyrosilicate.
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B
sheet silicate.
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C
linear chain silicate.
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D
three dimensional silicate.
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Solution

The correct option is B sheet silicate.
Two dimensioanl sheet silicates: In such silicates, three oxygen atoms of each tetrahedral are shared with adjacent SiO44 tetrahedral, such sharing forms two dimensional sheet strtucre with general formula (Si2O5)2nn
Ex. Talc Mg(Si2O5)2Mg(OH)2
The structure of silicates has been found with the help of X-ray diffraction techniques.

Hence,option B is correct.

354810_218257_ans_f597298896be400394a2c2e675ac4373.PNG

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