2006-09-14 02:37:36 · 2 answers · asked by Rajchem 2 in Science & Mathematics ➔ Chemistry
Mercury (I) chloride also known as Mercurous chloride or calomel has been used for centuries and is a well known compound.
Crystallographic studies on the compound show that in the crystalline form it has the following structure:
Cl-Hg-Hg-Cl
The is a Hg-Hg bond, making the compound a dimer, hence the Hg2Cl2 formula.
2006-09-14 02:47:47 · answer #1 · answered by Richard 7 · 70⤊ 0⤋
Mercuric Chloride Formula
2017-01-01 06:01:53 · answer #2 · answered by Erika 4 · 0⤊ 0⤋
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why is the formula of murcurous chloride Hg2Cl2 than HgCl ?
2015-09-10 00:29:37 · answer #3 · answered by Heather 1 · 0⤊ 0⤋
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Properties Mercury is unique among the group 12 metals for its ability to form the M-M bond so readily. Hg2Cl2 is a linear molecule. The unit cell of the crystal structure is shown below: Ball-and-stick model of calomel's unit cell Ball-and-stick model of the distorted octahedral coordination of mercury in calomel unit cell distorted octahedral coordination of Hg 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 Hg2Cl2 unit is 243 pm.[3] 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.
2016-04-09 06:53:27 · answer #4 · answered by Anonymous · 0⤊ 0⤋
Because of the shape of the orbitals. Since Hg is a d-block metal, the electrons are able to line up in a way that reduces the energy of the system by forming dimers. Since it is a more ordered system and, therefore, more stable the dimer is favored over the monomer.
2006-09-14 02:51:16 · answer #5 · answered by satanorsanta 3 · 2⤊ 0⤋
It is because Mercury(I) is a polyatomic ion and it is written on its own as Hg2^2+
so combining the charges of Cl^-1 and Hg2^2+ gives you Hg2Cl2
2017-03-09 17:57:04 · answer #6 · answered by Daniela Guevara 1 · 1⤊ 0⤋
Hg2cl2
2016-10-04 02:46:50 · answer #7 · answered by whisman 4 · 0⤊ 0⤋
mercury can exist as dimer, i.e. Hg2 and it is ionic with a charge of +2 thus when it is reacted with chlorine it has to be two moles of chlorine
2006-09-14 04:47:46 · answer #8 · answered by teroy 4 · 1⤊ 0⤋