Which from following is a formula of sodium hexafluoroaluminate(III)?

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

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)

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