A) copper
B) nickel
C) silver
D) mercury
Correct Answer: D
Solution :
Mercury forms mercurous ion \[(Hg_{2}^{2+})\] in the dimeric form e.g., mercurous chloride is \[H{{g}_{2}}C{{l}_{2}},\] which is also called calomal.You need to login to perform this action.
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