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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
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Correct Answer: Option A
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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WAEC May/June 2024 - Practice for Objective & Theory - From 1988 till date, download app now - 99995
Post-UTME Past Questions - Original materials are available here - Download PDF for your school of choice + 1 year SMS alerts
WAEC Past Questions, Objective & Theory, Study 100% offline, Download app now - 24709
WAEC offline past questions - with all answers and explanations in one app - Download for free
WAEC offline past questions - with all answers and explanations in one app - Download for free
Post-UTME Past Questions - Original materials are available here - Download PDF for your school of choice + 1 year SMS alerts
WAEC May/June 2024 - Practice for Objective & Theory - From 1988 till date, download app now - 99995
WAEC Past Questions, Objective & Theory, Study 100% offline, Download app now - 24709