- 2067 Chaitra · 3 marks
Formulae of six named complexes
Short answer
a) [Cr(H₂O)₄Cl₂]⁺; b) [Cr(en)₃]Cl₃; c) [Ag(CN)₂]⁻; d) [Co(NH₃)₅Br]SO₄; e) Na₃[Co(NO₂)₆]; f) [Fe(CN)₆]³⁻.
Write the formulae of the following co-ordination compounds. a) Dichloro tetra-aquo chromium (III) cation b) Tris (ethylene diamine) chromium(III) chloride c) Dicyano argentate (I) ion d) Bromo penta-ammine cobalt (III) sulfate e) Sod. hexa nitrito cobaltate(III) f) Hexa-cyanoferrate (III) ion
a) Dichlorotetraaquachromium(III) cation: [Cr(H₂O)₄Cl₂]⁺ b) Tris(ethylenediamine)chromium(III) chloride: [Cr(en)₃]Cl₃ c) Dicyanoargentate(I) ion: [Ag(CN)₂]⁻ d) Bromopentaamminecobalt(III) sulfate: [Co(NH₃)₅Br]SO₄ e) Sodium hexanitritocobaltate(III): Na₃[Co(NO₂)₆] f) Hexacyanoferrate(III) ion: [Fe(CN)₆]³⁻
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