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प्रश्न
When a co-ordination compound CrCl3.6H2O is mixed with AgNO3, 2 moles of AgCl are precipitated per mole of the compound. Write
(i) Structural formula of the complex.
(ii) IUPAC name of the complex.
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उत्तर
As two moles of AgCl are obtained; therefore, the structural formula would contain two Cl− ions satisfying the primary valencies, while five H2O molecules and one Cl−ion are present inside the coordination sphere, making the coordination number 6. One H2O molecule will be present as the molecule of hydration.
Structural formula: [CrCl(H2O)5]Cl2.H2O
IUPAC name of the compound: Pentaaquachloridochromium(III) chloride
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