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Which statement is wrong?

  • Option 1)

    Feldspars are not aluminosilicates

  • Option 2)

    Beryl is an example of cyclic silicate

  • Option 3)

    Mg_{2}SiO_{4}  is orthosilicate

  • Option 4)

    Basic structural unit in silicates is the SiO_{4}  tetrahedron

 

Answers (1)

As we learned in concept

Ores of Aluminium -

Bauxite - Al_{2}O_{3}\cdot 2H_{2}O

Cryolite - Na_{3}AlF_{6}

Felspar - KAlSi_{3}O_{8}

Kaolinite - Al_{2}O_{3}\cdot 2SiO_{2}\cdot 2H_{2}O

Mica - K_{2}O_\cdot 3Al_{2}O_{3}\cdot 6SiO_{2}\cdot 2H_{2}O

Corumdum - Al_{2}O_{3}

Diaspore - Al_{2}O_{3}\cdot H_{2}O

Alunite oralum stone - K_{2}SO_{4}\cdot Al_{2}\left ( SO_{4} \right )_{3}\cdot 4Al\left ( OH \right )_{3}

-

 

Feldspars (KAISi3O8 - NaAlSi3O8 - Ca Al2 Si3O8 ) are a group of aluminosilicates.

therefore, solution is 1.


Option 1)

Feldspars are not aluminosilicates

correct

Option 2)

Beryl is an example of cyclic silicate

incorrect

Option 3)

Mg_{2}SiO_{4}  is orthosilicate

incorrect

Option 4)

Basic structural unit in silicates is the SiO_{4}  tetrahedron

incorrect

Posted by

subam

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