Published by:
CGP EDU Academic Team
Published on: August 14, 2026
A separating funnel contains dichloromethane (DCM) and water 
that have been shaken and allowed to stand at room temperature. To collect the organic phase, which operation is correct?
A
Drain the lower layer first; it is DCM (organic phase).
B
Drain the upper layer first; it is DCM (organic phase).
C
Drain the lower layer first; it is 
(aqueous phase).
(aqueous phase). D
Drain the upper layer first; it is 
(aqueous phase).
(aqueous phase).
Text Solution
Verified by ExpertsThe correct answer is:
A
is denser than water, so it forms the lower organic layer; drain the lower layer to collect it.
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