MereTeacher

JEE • NEET • FOUNDATION

JEE · NEET Previous Year Question

If dichloromethane (DCM) and water are used for different extraction, which of the following statements is correct ?

Topic: JEE PYQ

Answer: A. Full step-by-step solution below.

  1. ADCM and  would stay as lower and upper layer respectively in the S.F.
  2. BDCM and  will make turbid/colloidal mixture
  3. CDCM and  would stay as upper and lower layer respectively in the separating funnel (S.F.)
  4. DDCM and  will be miscible clearly

Correct answer: A

Solution

(a) Due to higher density of dichloromethane than water DCM would be the lower layer and water will form the upper layer in the separating funnel.

More Practical Organic Chemistry PYQs