Well, it is different from first-row d-block elements, ruthenium, for instance, seems to be unstable in alkaline solution. I have been trying to find the experiment for the reaction between RuCl3 with alkaline solution. But there is no result.
From Shriver Atkin's Inorganic Book, the Latimer diagram of Ruthenium compounds in basic medium does not exist. I wonder what happen to the ruthenium compound in basic medium?Image may be NSFW.
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