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Give two chemical properties of calomal.

Give two chemical properties of calomal.

Grade:12

1 Answers

ruchi yadav
askIITians Faculty 27 Points
10 years ago
Mercury is unique among the group 12 metals for its ability to form the M–M bond so readily. Hg2Cl2is a linear molecule. The mineral calomel crystallizes in thetetragonalsystem, with space group I4/m 2/m 2/m.The Hg–Hg bond length of 253 pm (Hg–Hg in the metal is 300 pm) and the Hg–Cl bond length in the linear Hg2Cl2unit is 243 pm.The overall coordination of each Hg atom is octahedral as, in addition to the two nearest neighbours, there are four other Cl atoms at 321 pm. Longermercury polycationsexist.


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Ruchi
Askiitians Faculty

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