Q.

What is the molecular formula for the compound: Mercury (II) chloride?


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a

Question Image

b

Question Image

c

Question Image

d

None of the above 

answer is B.

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Detailed Solution

Concept- when naming the compound, the cation is first named then anion. In Mercury (II) chloride (mercuric chloride), mercury in a +2 oxidation state is present as a cation. And chlorine in the -2 oxidation state is present as an anion.
To neutralize the charge, two chloride ions must be present in one molecule. Therefore, the molecular formula of Mercury (II) chloride is Question Image. Historically known as sulema or corrosive sublimate, mercury(II) chloride (mercuric chloride) is an inorganic chemical compound having the formula Question Image. It is a chemical molecule that is extremely hazardous to humans and is a white crystalline solid used as a scientific reagent.
Hence, the correct answer is option 2.
 
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What is the molecular formula for the compound: Mercury (II) chloride?