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Which of the following acts as the anode in the galvanic electrode?

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+1 vote
in Fermentation Technology by (72.1k points)
Which of the following acts as the anode in the galvanic electrode?

(a) Silver

(b) Magnesium

(c) Lead

(d) Platinum

This question was addressed to me during a job interview.

This interesting question is from Instrumentation and Control topic in division Instrumentation and Control of Fermentation Technology

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Best answer
Right option is (c) Lead

The best I can explain: Lead acts as the anode in the galvanic electrode whereas silver acts as the cathode. The galvanic electrode is used in the measurement of the partial pressure of the dissolved oxygen (DO) concentration.

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