AP EAMCET · Chemistry · Chemical Bonding and Molecular Structure
Which of the following is not tetrahedral?
- A \(\mathrm{BF}_4^{-}\)
- B \(\mathrm{NH}_4^{+}\)
- C \(\mathrm{CO}_3^{2-}\)
- D \(\mathrm{SO}_4^{2-}\)
Answer & Solution
Correct Answer
(C) \(\mathrm{CO}_3^{2-}\)
Step-by-step Solution
Detailed explanation
In \(\mathrm{CO}_3^{2-}\) ion the \(\mathrm{C}\)-atom undergoes \(s p^2\)-hybridisation. It has triangular planar structure. While \(\mathrm{BF}_4^{-}, \mathrm{NH}_4^{+}\)and \(\mathrm{SO}_4^{2-}\) have tetrahedral structure.
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