KVPY2010Chemistryp Block Elements (Group 13 & 14)
Identify the cyclic silicate ion given in the figure below
Options
- A[ Si ₄ O ₂₅ ]²⁴⁻
- B[ Si ₆ O ₁₈ ]¹⁸⁻
- C[ Si ₄ O ₁₂ ]¹²
- D[ S ₆ O ₂₄ ]¹²⁻
Correct answer
B. [ Si ₆ O ₁₈ ]¹⁸⁻
Step-by-step solution
Cyclic or ring silicates have general formula array ccc ( Si O ₃ ²⁻ )_ n & or ( Si O ₃ ) n ^ 2 n - & S ₃ O ₉ ⁶⁻ & S ₆ O ₁₈¹²⁻ array