Redox Reactions And Electrochemistry Ques 398

Question: The oxidation state of $ Cr $ in $ {{[Cr{{(NH_3)}_4}Cl_2]}^{+}} $ is [AIEEE 2005]

Options:

A) +3

B) +2

C) +1

D) 0

Show Answer

Answer:

Correct Answer: A

Solution:

$ {{[ Cr{{(NH_3)}_4}Cl_2 ]}^{+}} $ $ x+4\times (0)-2=1 $ Þ $ x+0-2=1 $
Þ x = 1 + 2 = + 3.



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