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NTA Abhyas JEE Main2020Chemistryp Block Elements (Group 13 & 14)Practice

The silicate anion in the mineral wollastonite is a chain of three S i O 4 4 - tetrahedra, that share corners with adjacent tetrahedra. The charge of the silicate anion is

Options

  1. A-4
  2. B-8
  3. C-6
  4. D-2

Correct answer

C. -6

Step-by-step solution

The silicate anion in the mineral wollastonite is S i 3 O 9 6 - . Hence, charge on it is -6.

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