1.

An incomplete table about the electrolysis of different electrolytes are given below. Complete it.  Electrolyte  Ions/Molecules    Chemical ReactionAnode CathodeCuCl2 Solution ....a ..... 2Cl- → Cl2 + 2e-Cu2+ + 2e- → CuWater acidified with H2SO4 2H3O+,SO42+ H2O .... (b) ...2H3O- + 2e- → H2 + 2H2OMolten Nacl .. (c) ....2Cl → Cl2 + 2e- ...(d)...NaCl SolutionNa+, Cl-,H2O   ....(e).... ...(f)...

Answer»

a. Cu2+

Cl-

H2O. 

b. 2H2O → O2 + 4H+ + 4e- 

c. Na+

Cl- 

d. Na+ + le- → Na 

e. 2Cl → Cl2 + 2e- 

f. 2H2O + 2e- → H2 + 2OH-



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