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Grade 10Inorganic Chemistry

Write the tahat take place at anode and cathode in the manufacture of NaOH by
castner - kellner process

HARINATH

10 Years agoGrade 10

3 Answers

salvathshaik

Approved Tutor Answer10 Years ago

In castner - kellner process NaOH is manufactured by the electrolysis of brine using a mercury
cathode and carbon anode. The reactions at electrodes are
At cathode: Na+ +e- +Hg → Na-amalgam
2 Na-amalgam+2H2O →2NaOH+ 2Hg+H2
At anode: 2Cl– →Cl2 + 2e–

sathish

10 Years ago

In castner - kellner process NaOH is manufactured by the electrolysis of brine using a mercury
cathode and carbon anode. The reactions at electrodes are
At cathode: Na+ +e- +Hg → Na-amalgam
2 Na-amalgam+2H2O →2NaOH+ 2Hg+H2
At anode: 2Cl– →Cl2 + 2e–

pa1

10 Years ago

In castner - kellner process NaOH is manufactured by the electrolysis of brine using a mercurycathode and carbon anode. The reactions at electrodes areAt cathode: Na+ +e- +Hg → Na-amalgam2 Na-amalgam+2H2O →2NaOH+ 2Hg+H2At anode: 2Cl– →Cl2 + 2e–

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