Q.

A galvanic cell is constructed using SHE and another electrode 'X' under standard conditions.  'X' in this cell is the negative electrode then 'X' is

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a

Zinc electrode

b

Copper electrode

c

Silver electrode

d

Chlorine electrode

answer is A.

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Detailed Solution

SRP value of Copper, Silver and Chlorine electrodes is positive. SRP of Hydrogen electrode is zero;SRP value of Zinc electrode is negative; So when connected to SHE spontaneous oxidation occurs at Zn electrode, Zn electrode is anode or negative electrode.
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