Question

A student takes about 2 mL ethanoic acid in a dry test tube and adds a

pinch of sodium hydrogen carbonate to it. He reports the following

observations :

I. Immediately a colourless and odourless gas evolves with a brisk

effervescence.

II. The gas turns lime water milky when passed through it.

III. The gas burns with an explosion when a burning splinter is

brought near it.

IV. The gas extinguishes the burning splinter that is brought near it.

The correct observations are​

Answer 1

CH3COOH + NaHCO3 =CH3COONa + H2O+CO2

there fore the correct option is 2 because when carbon di oxide gas is passed through the lime water it turns into milky