Rankthese species by their ability to act as an oxidizing agent. cr3+

Question

Question

Rank these species by their ability to act as an oxidizing agent.

from best oxidizing agent to poorest

Ag+, I2, Ca2+, Cr3+

Answer 1

Answer #1

ion......................... electrode potential

Ag+/Ag....................... 0.80

I2 /2I- ........................0.54

Cr+3/Cr ....................... -0.74

Ca+2 /Ca......................... -2.87

more the +ve electrode potential stronger is the oxidising agent

so the order is
Ag+ >I2 >Cr+3 >Ca+2

Answer 2

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