Redox Reactions And Electrochemistry Ques 689

Question: In the reaction

Cr2O72+14H++6I2Cr3++7H2O+3I2 Which element is reduced-

Options:

A) I

B) O

C) H

D) Cr

Show Answer

Answer:

Correct Answer: D

Solution:

[d] 2II2 is oxidation (loss of electrons); Cr(+6) changes to Cr(+3) by gain of electrons. Hence Cr is reduced.



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