Redox Reactions And Electrochemistry Ques 371

Question: The valency of Cr in the complex $ {{[Cr{{(H_2O)}_4}Cl_2]}^{+}} $ [MP PMT 2000]

Options:

A) 1

B) 3

C) 5

D) 6

Show Answer

Answer:

Correct Answer: B

Solution:

$ {{[\overset{*}{\mathop{Cr}},{{(H_2O)}_4}Cl_2]}^{+}} $ $ x+0+2,(-1)=+,1 $ ; $ x-2=+,1 $ $ x=+,3 $ for Cr in complex.



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