What happens when you mix hydrogen peroxide and iodine sugar?

Hydrogen peroxide (H2O2) and iodine sugar (potassium iodide and sucrose mixture) can react, producing iodine (I2) under specific conditions. Here's what typically happens when you mix these substances:

1. Iodine Liberation: When hydrogen peroxide comes into contact with iodine sugar, it undergoes a chemical reaction. Hydrogen peroxide acts as an oxidizing agent and oxidizes the iodide (I-) ions present in potassium iodide. This oxidation leads to the formation of iodine (I2) molecules:

2H2O2 + 2KI → 2KOH + I2 + 2H2O

2. Color Change: As a result of iodine formation, the mixture turns into a dark blue or purple color. This color is characteristic of iodine in solution.

3. Effervescence: The reaction between hydrogen peroxide and iodine sugar may also produce oxygen gas (O2) as a byproduct. This can cause some fizzing or bubbling in the mixture, leading to slight effervescence.

It's important to handle hydrogen peroxide and iodine sugar with caution. Hydrogen peroxide is a strong oxidizing agent and can cause skin irritation and burns. Iodine is also potentially harmful if ingested or inhaled. Always wear protective gloves and eye protection when working with these substances, and perform the reaction in a well-ventilated area.

Mixing hydrogen peroxide and iodine sugar is not a commonly performed reaction, and the specific conditions can vary depending on the amounts and concentrations of the substances used. It's generally recommended to consult specific safety guidelines and instructions before handling these materials.