A student takes about 2 mL ethanoic acid in a dry test tube and adds a pinch of sodium carbonate to it. What will he observe ?

Options

A. A colourless and odourless gas evolves which burns with pop sound.
B. A colourless and odourless gas evolves with a brisk effervescence.
C. A brown coloured gas with foul smell evolves with a brisk effervescence.
D. A brown coloured gas with foul smell evolves which burns with pop sound.

Answer

B