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Strong reducing & oxidizing agent among the following respectively.

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Strong reducing & oxidizing agent among the following respectively.

(1) Ce+3 & Ce+4

(2) Eu+2 & Ce+4

(3) Ce+4 & Tb+4

(4) Ce+4 & Eu+2

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Best answer

Correct option is (2) Eu+2 & Ce+4

The most stable oxidation state of lanthanides is +3. 

\(\therefore \) Eu+2 is a reducing agent & Ce+4 is an oxidising agent.

Hence, correct answer is 2.

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