Explain with equations and calculations, when necessary, whether an aqueous solution of each of these salts is acidic, basic, or neutral:(c) KCN.

Respuesta :

KCN is a basic salt.

We can form KCN from the neutralization reaction between HCN and KOH. The chemical equation for the reaction is:

HCN(aq)  + KOH(aq)  ----> KCN (aq)  + H2O (l)

The cyanide ion is a weak base that hydrolyzes in aqueous solution according to the chemical equation below.

CN⁻ (aq) + H₂O(l) ⇔ HCN(aq) + OH⁻(aq)

What do we know about KCN?

A substance having the chemical formula KCN is potassium cyanide. This sugar-like-looking, white, crystalline salt is very soluble in water. The main applications for KCN include electroplating, organic synthesis, and gold mining. Jewelry for chemical gilding and polishing are examples of smaller usage. A very hazardous substance is potassium cyanide. Due to hydrolysis, the wet solid produces trace quantities of hydrogen cyanide, which has an almond-like bitterness to it. The capacity to detect this, however, is a hereditary feature and not everyone has it. Potassium cyanide has been compared to lye in terms of its burning sensation and caustic, bitter taste.

To learn more about basic salts:

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