Share
Notifications

View all notifications

While studying the saponification reaction, what do you observe when you mix an equal amount of colourless vegetable oil and 20% aqueous solution of NaOH in a beaker? - Science

Login
Create free account


      Forgot password?
ConceptSoaps and Detergents

Question

While studying the saponification reaction, what do you observe when you mix an equal amount of colourless vegetable oil and 20% aqueous solution of NaOH in a beaker?
(A) The colour of the mixture has become dark brown
(B) A brisk effervescence is taking place in the beaker
(C) The outer surface of the beaker has become hot
(D) The outer surface of the beaker has become cold

Solution

While studying saponification reaction, when equal amount of colourless vegetable oil and 20% aqueous solution of NaOH in mixed in a beaker, the beaker becomes hot. This is because, saponification is an exothermic reaction.
Hence, the correct answer is option The outer surface of the beaker has become hot.

  Is there an error in this question or solution?

Video TutorialsVIEW ALL [2]

Solution While studying the saponification reaction, what do you observe when you mix an equal amount of colourless vegetable oil and 20% aqueous solution of NaOH in a beaker? Concept: Soaps and Detergents.
S
View in app×