The separation technique that is suitable for separating iodine from tetrachloromethane is
CHEMISTRY
WAEC 2023
The separation technique that is suitable for separating iodine from tetrachloromethane is
- A. solvent extraction
- B. decantation
- C. fractional distillation
- D. filtration
Correct Answer: A. solvent extraction
Explanation
Solvent extraction, also known as liquid-liquid extraction, is a technique used to separate substances based on their differential solubilities in two immiscible liquids. In this case, since iodine and tetrachloromethane have different solubilities in certain solvents, you can use solvent extraction to selectively dissolve one of the substances while leaving the other behind. Iodine is a non-polar molecule, while tetrachloromethane is a polar molecule. This means that iodine will dissolve in a non-polar solvent, while tetrachloromethane will dissolve in a polar solvent
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