Redox Reactions And Electrochemistry Ques 473

Question: The oxidation state of chromium in the final product formed by the reaction between KI and acidified potassium dichromate solution is [AIEEE 2005]

Options:

A) +4

B) +6

C) +2

D) +3

Show Answer

Answer:

Correct Answer: D

Solution:

K2Cr2O7+6KI+7H2SO44K2SO4+Cr2(SO4)3 +7H2O+3I2 C,r2(SO4)32Cr+3,+3SO42



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