Is NaCN Acidic or Basic?

Sodium cyanide (NaCN) is a white, crystalline solid that is highly soluble in water. It is a highly toxic substance that is used in a variety of industrial and laboratory applications.

Chemical Properties of NaCN

Formula: NaCN
Molar mass: 49.01 g/mol
Density: 1.6 g/cm³
Melting point: 563.7 °C (1046.7 °F)
Boiling point: 1496 °C (2725 °F)
Solubility in water: 40 g/100 mL at 20 °C (68 °F)

pH of NaCN

The pH of a solution is a measure of its acidity or basicity. The pH scale ranges from 0 to 14, with 0 being the most acidic and 14 being the most basic. A neutral solution has a pH of 7.

The pH of a 0.1 M solution of NaCN is approximately 11.7. This indicates that NaCN is a basic solution.

Chemical Reactions of NaCN

NaCN is a reactive compound that can undergo a variety of chemical reactions. Some of the most common reactions include:

Reaction with acids: NaCN reacts with acids to form hydrocyanic acid (HCN) and NaCl.
Reaction with metals: NaCN reacts with metals to form metal cyanides.
Reaction with oxidizing agents: NaCN reacts with oxidizing agents to form cyanate (CNO-) and nitrogen gas (N2).

Uses of NaCN

NaCN is used in a variety of industrial and laboratory applications, including:

Extraction of gold and silver from ores
Electroplating
Photography
Laboratory reagent

Safety Precautions

NaCN is a highly toxic substance. It can be absorbed through the skin, eyes, or lungs. Symptoms of NaCN poisoning include dizziness, headache, nausea, vomiting, and seizures. In severe cases, NaCN poisoning can be fatal.

When working with NaCN, it is important to take the following safety precautions:

Wear appropriate protective clothing, including gloves, goggles, and a respirator.
Work in a well-ventilated area.
Handle NaCN with care to avoid spills.
In case of contact with NaCN, immediately flush the affected area with water and seek medical attention.

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