When excess silver nitrate solution is added in co – ordination compound , 2 moles of silver
chloride precipitased per mole of the compound. Write the correct formula, ligancy and primary valency of compound.
Answers
Explanation:
There are three compounds with the formula
CrCl
3
.6H
2
O. One is violet, one is grey-green, and the third is deep
green.
The violet isomer produces 3 moles of silver chloride upon reaction with silver nitrate and does not lose water in a desiccator.
[Cr(H
2
O)
6
]Cl
3
(violet)
The grey-green isomer gives 2 moles of silver chloride upon reaction with silver nitrate and loses one mole of water when stored in a desiccator.
[Cr(H
2
O)
5
Cl]Cl
2
.H
2
O (grey-green)
The deep green isomer gives 1 mole of silver chloride upon reaction with silver nitrate and loses two moles of water when stored in a desiccator.
[Cr(H
2
O)
4
Cl
2
]Cl.2H
2
O (deep green)
(i)The given compound has a structural formula [Cr(H
2
O)
5
Cl]Cl
2
.H
2
O
(ii) The IUPAC name of the complex is Pentaaquachlorochromium(III)dichloride monohydrate
Answer:
after reaction of these compound
Explanation:
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