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STD 11 -p-Block elements - I — JEE STD 11 Science — Question

Gujarat BoardEnglish MediumSTD 11 ScienceJEESTD 11 -p-Block elements - I4 Marks
MCQ
The basic structural unit of feldspar, zeolites, mica and asbestos is
  • A
    $\begin{array}{*{20}{c}}
      {R\,\,\,\,\,\,\,\,\,\,} \\ 
      {|\,\,\,\,\,\,\,\,\,\,} \\ 
      {{{[ - Si - O - ]}_n}} \\ 
      {|\,\,\,\,\,\,\,\,\,\,} \\ 
      {R\,\,\,\,\,\,\,\,\,\,} 
    \end{array}$ $(R = Me)$
  • B
    ${\left( {Si{O_3}} \right)^{2 - }}$
  • C
    ${Si{O_2}}$
  • ✓
    ${\left( {Si{O_4}} \right)^{4 - }}$
✓

Answer

Correct option: D.
${\left( {Si{O_4}} \right)^{4 - }}$
d
Basic unit is silicat ${\left( {Si{O_4}} \right)^{4 - }}$

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