The oxoanion in which the oxidation state of the central atom is same as its group number in the per — d and f Block Elements Chemistry Question
Question
The oxoanion in which the oxidation state of the central atom is same as its group number in the periodic table is :
Answer: D
💡 Solution & Explanation
Step 1: Mercury forms two chlorides: mercuric chloride (HgCl2) and mercurous chloride (Hg2Cl2). Step 2: Mercurous chloride, also known as dimerized mercury(I) chloride, is a white, insoluble crystalline mineral. Step 3: The common name for Hg2Cl2 is calomel, which corresponds to option (b).
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