Question

what do you observe why you drop a few drops of acetic acid to a test tube containing a. phenolphthalein b. distilled water c. universal indicator d. sodium hydrogen carbonate

Answer 1

Heya,

(1) Acetic acid will remain colorless in phenolphthalein.

(2) Acetic acid will dissolve in distilled water forming a clear solution.

(3) Universal indicator gives orange colour of acetic acid.

(4) Sodium hydrogen carbonate will give brisk effervescence due to formation of CO2 gas.

Hope this helps....:)

Answer 2

Answer:

When we add few drops of acetic acid to a test tube containing are as :

a ) . Phenolphthalein : Acetic acid will remain colourless in phenolphthalein

b ) . Distilled water : Acetic acid will dissolve in distilled water forming a clear solution

c ) . Universal indicator : It will give orange colour with acetic acid.

d ) . Sodium hydrogen carbonate : It will give brisk effervescence due to the

formation of CO₂ gas.