Lesson eLearning

Which of the following separation techniques is most suitable for separating a mixture of benzene and toluene?

medium MCQ 3 marks Class 9 · Science · Is Matter Around Us Pure
  1. Simple distillation
  2. Fractional distillation
  3. Filtration
  4. Centrifugation
Answer
Fractional distillation

The correct answer is Fractional distillation — Conclude that fractional distillation is the correct method.

Step-by-step solution

  1. Identify that benzene and toluene have close boiling points.
  2. Recognise that simple distillation cannot give pure components.
  3. Choose fractional distillation which provides a fractionating column for better separation.
  4. Conclude that fractional distillation is the correct method.
Common mistake: Selecting simple distillation

Concept tested: Separation techniques

Published · How this solution was prepared and checked

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