Question

10. Write balanced chemical equations for the following:
(a) Chlorine gas is passed through dry slaked lime.
(b) Bleaching powder is kept open in air.
(c) Sodium bicarbonate reacts with dilute hydrochloric acid.
(d) Electricity is passed through brine.
(e) Formation of baking soda from sodium chloride.
What are its use​

Answer 1

Answer:

(a) Ca(OH) 2+Cl2=CaOCl2+H2O

(b) CaOCl2+CO2=CaCO3+Cl2

(c) NaCHO3+HCl=NaCl+CO2+H2O

(d) Ag2O+H2O+2e- =2Ag+2OH-;EO=+0

(e) NaCl+H2O+CO2+NH3=NH4Cl+NaHCO3