Which from following is a formula of sodium hexafluoroaluminate(III)?
- $\mathrm{Na}_3\left[\mathrm{AlF}_6\right]$
- $\mathrm{Na}\left[\mathrm{AlF}_6\right]$
- $\mathrm{Na}_2\left[\mathrm{AlF}_6\right]^{2+}$
- $\quad\left[\mathrm{Al}(\mathrm{NaF})_6\right]^{2+}$
Solution

Sodium hexafluoroaluminate is an inorganic compound with formula $\mathbf{N a}_{\mathbf{3}} \mathbf{A l F}_{\mathbf{6}}$.
Asked in: MHT CET 2024 (09 May Shift 2)