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Coordination Compounds question

2020 · Q94
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Coordination Compounds question

2020 · Q94

NEETChemistryCoordination CompoundsMCQ+4 / −1
Which of the following is the correct order of increasing field strength of ligands to form coordination compounds?
  1. A
    SCN−-− < F−-− < CN−-− < C2O42-
  2. B
    F−-− < SCN−-− < C2O42- < CN−-−
  3. C
    CN−-− < C2O42- SCN−-− < F−-−
  4. D
    SCN−-− < F−-− < C2O42- < CN−-−
View written solutionFree

Correct answer: D

Spectrochemical series (as given in NCERT) :
L−<Br−<SCN−<Cl−<S−2<F−<OH−<C2O42−<H2O<NCS−<EDTA4−<NH3<en<CN−<CO{L^ - } \lt B{r^ - } \lt SC{N^ - } \lt C{l^ - } \lt {S^{ - 2}} \lt {F^ - } \lt O{H^ - } \lt {C_2}{O_4}^{2 - } \lt {H_2}O \lt NC{S^ - } \lt EDT{A^{4 - }} \lt N{H_3} \lt en \lt C{N^ - } \lt COL−<Br−<SCN−<Cl−<S−2<F−<OH−<C2​O4​2−<H2​O<NCS−<EDTA4−<NH3​<en<CN−<CO

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