Are the Colours of Mercuric Compounds Accurate?

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The discussion centers on the color accuracy of mercuric compounds, specifically comparing ##Hg(NH_2)Cl.Hg##, which is noted as black, to ##Hg(NH_2)Cl##, identified as white. The user confirms that ##Hg(NH_2)Cl## is indeed white but expresses uncertainty about the color of ##Hg(NH_2)Cl.Hg##. It is suggested that the black color may be due to the presence of metallic mercury, which can cause some mercury compounds to appear gray. The conversation highlights the need for clarity on the color properties of these compounds. Accurate identification of these colors is essential for understanding their chemical behavior and applications.
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Homework Statement


While reading my textbook I found that ##Hg(NH_2)Cl.Hg## was given of black colour , whereas ##Hg(NH_2)Cl## of white colour.So is this correct?

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The Attempt at a Solution


I googled about ##Hg(NH_2)Cl## . It is ##white ## in colour . But I am not sure about ##Hg(NH_2)Cl.Hg##.
 
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Some mercury compounds are gray because of the presence of metallic mercury, perhaps that's this kind of situation.
 
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