Question

You have three unlabelled test tubes containing ethanol, ethanoic acid and soap solution.Explain the method you would use to identify the compound in different test tubes by chemical tests using litmus paper and sodium metal

Answer 1

laboratory preparation method

Answer 2

ANSWER :

We will use litmus paper to identify which is ethanol, ethanoic acid and solution of soap.

Dip the blue and red litmus paper one by one in all the test tubes containing the solutions.

Case I : If the blue litmus and red litmus when dipped in the solution doers not show any kind of changes, then it will be confirmed that the solution is Ethanol.

Case II : If the blue litmus becomes red when dipped in the other test tube and red litmus does not show any reaction in the solution, then it can be identified that the solution is of Ethanoic acid.

Case III : When blue litmus doesn't show any change but the red litmus becomes blue, them the solution is Soap solution.