Which element is not present in Nessler's reagent?
Solution
<p>Nessler’s reagent is K<sub>2</sub>[HgI<sub>4</sub>]
</p>
<p>Therefore, among the options given, oxygen is the only element that is not present in Nessler's reagent.</p>
About this question
Subject: Chemistry · Chapter: d and f Block Elements · Topic: Properties of Transition Metals
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