Questions

$E_{A^{+} / A}^{0} = 0.5 V; E_{B^{+} / B}^{0} = 0.2 V; E_{C^{+} / C}^{0} = - 0.3 V; E_{D^{+} / D}^{0} = - 0.1 V$
Based on above data select correct statements under standard condition

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By Expert Faculty of Sri Chaitanya

Best oxidizing agent is A+

Best reducing agent is D

C can displace D+ from it’s solution

a Galvanic cell obtained by electrodes A and B shows the current flow from B to A in external circuit.

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detailed solution

Correct option is A

Element lower SRP reduces ion with higher SRPThe ion with higher SRP oxidises the element with lower SRPElectrons flow from anode (B) to cathode (A) and hence current flows from A to B

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