9.36. What do you understand by the terms:

(i) Hydrogen economy 

(ii) Hydrogenation

(iii) Syngas

(iv) Water-gas shift reaction

(v) Fuel-cell?

9.36.  (i) Hydrogen economy: The basic principle of hydrogen economy is the storage and transportation of energy in the form of liquid or gaseous dihydrogen.

(ii) Hydrogenation: Hydrogenation means addition of hydrogen across double and triple bonds in presence of catalyst to form saturated compound