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JEE Main
Exam
JEE Main
Subject
Chemistry
Chapter
Practical Chemistry

JEE Main · Chemistry · Practical Chemistry

A solution of metal hydroxide (MOH) with copper sulphate and mixed...

A solution of metal hydroxide (MOH) with copper sulphate and mixed tartarate of metal M with another metal M1 of the same group, is used in the detection of -CHO group. Metal M and M1 are respectively :

Options

  1. ANa, K
  2. BK, Rb
  3. CNa, Li
  4. DRb, Na

Correct answer

A. Na, K

Step-by-step solution

NaOH + CuSO4 + Sodium (M) + Potassium (M1) tartarate solution is known as Fehling's solution and is used in the detection of -CHO group.
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