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.
