Question

Draw the electron dot structure of the gas molecule which is
liberatedwhen sodium hydrogen carbonate is treated with aqueous
hydrochloric acid solution.

Answer 1

Chemical Reaction:

When Sodium hydrogen carbonate is treated with Dil. HCl , then we get CO2 gas.

NaHCO3 + HCl -----> NaCl  +H2O +CO2

Electron Dot structure of CO2:

     O :: C :: O