Question

[Sn(OH)6]2- whether it is stable

Answer 1

Answer:

Yes

Explanation:

Tin (II) ions are some of the ions known to be easily oxidized by powerful oxidizing agents like potassium permanganate. The reaction involving tin (II) and potassium permanganate is used in a titration process aimed at determining the concentration of the ions of tin (II). It is a lot easier to convert tin (II) ions to tin (IV) ions. This means that the ions of tin (II) are easily oxidized to ions of tin (IV) which is more stable

Answer 2

$[Sn(OH)_6]_2$- is stable.

Explanation:

• $Sn(OH)_6]_2$  is the chemical formula of Stannate.

• It refers to compounds of tin (Sn).

• It is formed by the reaction of tin oxides with alkali.

• Stannic acid is the precursor of stannate.

• It is a hydrate of $SnO_2$. They are basically unstable. When it reacts with alkali, it forms stable stannate.

• The following reaction shows the formation of Stannate.

       $SnO_2 + 2 NaOH + 2 H2O\rightarrow Na_2[Sn(OH)_6]$

• Stannate based conversion coatings are used to improve corrosion resistance.

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