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CBSE Class 12-science Answered

<div>what is primary valency in [Cr(NH3)4Cl2]Cl ?</div> <div>&nbsp;</div>
Asked by pps mallika | 28 May, 2016, 12:57: PM
Expert Answer
Primary valence coresponds to the oxidation state of the central metal ion. It issatisfied by negative ions only.
Therefore, in the givem compound, the primary valency of tetraaminedichlorochromium (III)chloride is + 3.
 
Each Cl inside the brackets is -1 
the final Cl is -1 

So Cr is +3 
Answered by Hanisha Vyas | 29 May, 2016, 04:27: PM
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