Co-Ordination Compounds Question 185

Question: The oxidation number of Cr in $ [Cr{{(NH_3)}_6}]Cl_3 $ is

[CBSE PMT 2001]

Options:

A) 8

B) 6

C) 4

D) 3

Show Answer

Answer:

Correct Answer: D

Solution:

$ x+6\times (0)+3\times (-1)=0 $

$ x-3=0 $ , $ x=+3, $ Oxidation number of $ Cr $ is $ =+3.$



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