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Which of the following is true about Hersch cell which is one of the arrangements of a galvanic cell?

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Which of the following is true about Hersch cell which is one of the arrangements of a galvanic cell?

(a) Cell is spherical in shape

(b) Cathode is made of porous material

(c) Cathode is placed centrally

(d) Cathode is formed by gauze which surrounds the anode

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The above asked question is from Electrochemical Methods for Oxygen Analysis in chapter Industrial Gas Analysers of Analytical Instrumentation

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The correct answer is (d) Cathode is formed by gauze which surrounds the anode

For explanation: In Hersch cell, cell is cylindrical in shape. Anode is placed centrally and is made of porous material. Cathode is formed by gauze which surrounds the anode.

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