04. Spectrochemical Series, Complex Stability
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COORDINATION COMPOUNDS

274223 The correct increasing order of trans-effect of the following species is

1 $\mathrm{NH}_{3}>\mathrm{CN}^{-}>\mathrm{Br}^{-}>\mathrm{C}_{6} \mathrm{H}_{5}^{-}$
2 $\mathrm{CN}^{-}>\mathrm{C}_{6} \mathrm{H}_{5}^{-}>\mathrm{Br}^{-}>\mathrm{NH}_{3}$
3 $\mathrm{Br}^{-}>\mathrm{CN}^{-}>\mathrm{NH}_{3}>\mathrm{C}_{6} \mathrm{H}_{5}^{-}$
4 $\mathrm{CN}^{-}>\mathrm{Br}^{-}>\mathrm{C}_{6} \mathrm{H}_{5}^{-}>\mathrm{NH}_{3}$
NEET-II 2016
COORDINATION COMPOUNDS

274224 The ligand \(\left(\mathrm{OOC}-\mathrm{CH}_2\right)_2 \mathrm{NCH}_2-\mathrm{CH}_2-\mathrm{N}\left(\mathrm{CH}_2 \mathrm{COO}^{-}\right)_2\) is

1 Didentate
2 Tirdentate
3 Hexadentate
4 Tetradentate
J and K CET-(2016)
COORDINATION COMPOUNDS

274229 In the complexes $\left[\mathrm{Fe}\left(\mathrm{H}_{2} \mathrm{O}\right)_{6}\right]^{3+},\left[\mathrm{Fe}(\mathrm{CN})_{6}\right]^{3-}$, $\left[\mathrm{Fe}\left(\mathrm{C}_{2} \mathrm{O}_{4}\right)_{3}\right]^{3-}$ and $\left[\mathrm{FeCl}_{6}\right]^{3-}$, more stability is shown by

1 $\left[\mathrm{FeCl}_{6}\right]^{3-}$
2 $\left[\mathrm{Fe}\left(\mathrm{C}_{2} \mathrm{O}_{4}\right)_{3}\right]^{3-}$
3 $\left[\mathrm{Fe}\left(\mathrm{H}_{2} \mathrm{O}\right)_{6}\right]^{3+}$
4 $\left[\mathrm{Fe}(\mathrm{CN})_{6}\right]^{3-}$
JIPMER-2015
COORDINATION COMPOUNDS

274230 Trien ligand is:

1 Hexadentate, mono anionic
2 Tetradentate, neutral
3 Tetradentate, dianion
4 Monodentate, anion
AIIMS-26 May
NEET DIGITAL LIBRARY
COORDINATION COMPOUNDS

274223 The correct increasing order of trans-effect of the following species is

1 $\mathrm{NH}_{3}>\mathrm{CN}^{-}>\mathrm{Br}^{-}>\mathrm{C}_{6} \mathrm{H}_{5}^{-}$
2 $\mathrm{CN}^{-}>\mathrm{C}_{6} \mathrm{H}_{5}^{-}>\mathrm{Br}^{-}>\mathrm{NH}_{3}$
3 $\mathrm{Br}^{-}>\mathrm{CN}^{-}>\mathrm{NH}_{3}>\mathrm{C}_{6} \mathrm{H}_{5}^{-}$
4 $\mathrm{CN}^{-}>\mathrm{Br}^{-}>\mathrm{C}_{6} \mathrm{H}_{5}^{-}>\mathrm{NH}_{3}$
NEET-II 2016
COORDINATION COMPOUNDS

274224 The ligand \(\left(\mathrm{OOC}-\mathrm{CH}_2\right)_2 \mathrm{NCH}_2-\mathrm{CH}_2-\mathrm{N}\left(\mathrm{CH}_2 \mathrm{COO}^{-}\right)_2\) is

1 Didentate
2 Tirdentate
3 Hexadentate
4 Tetradentate
J and K CET-(2016)
COORDINATION COMPOUNDS

274229 In the complexes $\left[\mathrm{Fe}\left(\mathrm{H}_{2} \mathrm{O}\right)_{6}\right]^{3+},\left[\mathrm{Fe}(\mathrm{CN})_{6}\right]^{3-}$, $\left[\mathrm{Fe}\left(\mathrm{C}_{2} \mathrm{O}_{4}\right)_{3}\right]^{3-}$ and $\left[\mathrm{FeCl}_{6}\right]^{3-}$, more stability is shown by

1 $\left[\mathrm{FeCl}_{6}\right]^{3-}$
2 $\left[\mathrm{Fe}\left(\mathrm{C}_{2} \mathrm{O}_{4}\right)_{3}\right]^{3-}$
3 $\left[\mathrm{Fe}\left(\mathrm{H}_{2} \mathrm{O}\right)_{6}\right]^{3+}$
4 $\left[\mathrm{Fe}(\mathrm{CN})_{6}\right]^{3-}$
JIPMER-2015
COORDINATION COMPOUNDS

274230 Trien ligand is:

1 Hexadentate, mono anionic
2 Tetradentate, neutral
3 Tetradentate, dianion
4 Monodentate, anion
AIIMS-26 May
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COORDINATION COMPOUNDS

274223 The correct increasing order of trans-effect of the following species is

1 $\mathrm{NH}_{3}>\mathrm{CN}^{-}>\mathrm{Br}^{-}>\mathrm{C}_{6} \mathrm{H}_{5}^{-}$
2 $\mathrm{CN}^{-}>\mathrm{C}_{6} \mathrm{H}_{5}^{-}>\mathrm{Br}^{-}>\mathrm{NH}_{3}$
3 $\mathrm{Br}^{-}>\mathrm{CN}^{-}>\mathrm{NH}_{3}>\mathrm{C}_{6} \mathrm{H}_{5}^{-}$
4 $\mathrm{CN}^{-}>\mathrm{Br}^{-}>\mathrm{C}_{6} \mathrm{H}_{5}^{-}>\mathrm{NH}_{3}$
NEET-II 2016
COORDINATION COMPOUNDS

274224 The ligand \(\left(\mathrm{OOC}-\mathrm{CH}_2\right)_2 \mathrm{NCH}_2-\mathrm{CH}_2-\mathrm{N}\left(\mathrm{CH}_2 \mathrm{COO}^{-}\right)_2\) is

1 Didentate
2 Tirdentate
3 Hexadentate
4 Tetradentate
J and K CET-(2016)
COORDINATION COMPOUNDS

274229 In the complexes $\left[\mathrm{Fe}\left(\mathrm{H}_{2} \mathrm{O}\right)_{6}\right]^{3+},\left[\mathrm{Fe}(\mathrm{CN})_{6}\right]^{3-}$, $\left[\mathrm{Fe}\left(\mathrm{C}_{2} \mathrm{O}_{4}\right)_{3}\right]^{3-}$ and $\left[\mathrm{FeCl}_{6}\right]^{3-}$, more stability is shown by

1 $\left[\mathrm{FeCl}_{6}\right]^{3-}$
2 $\left[\mathrm{Fe}\left(\mathrm{C}_{2} \mathrm{O}_{4}\right)_{3}\right]^{3-}$
3 $\left[\mathrm{Fe}\left(\mathrm{H}_{2} \mathrm{O}\right)_{6}\right]^{3+}$
4 $\left[\mathrm{Fe}(\mathrm{CN})_{6}\right]^{3-}$
JIPMER-2015
COORDINATION COMPOUNDS

274230 Trien ligand is:

1 Hexadentate, mono anionic
2 Tetradentate, neutral
3 Tetradentate, dianion
4 Monodentate, anion
AIIMS-26 May
For More Updates join with Us
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COORDINATION COMPOUNDS

274223 The correct increasing order of trans-effect of the following species is

1 $\mathrm{NH}_{3}>\mathrm{CN}^{-}>\mathrm{Br}^{-}>\mathrm{C}_{6} \mathrm{H}_{5}^{-}$
2 $\mathrm{CN}^{-}>\mathrm{C}_{6} \mathrm{H}_{5}^{-}>\mathrm{Br}^{-}>\mathrm{NH}_{3}$
3 $\mathrm{Br}^{-}>\mathrm{CN}^{-}>\mathrm{NH}_{3}>\mathrm{C}_{6} \mathrm{H}_{5}^{-}$
4 $\mathrm{CN}^{-}>\mathrm{Br}^{-}>\mathrm{C}_{6} \mathrm{H}_{5}^{-}>\mathrm{NH}_{3}$
NEET-II 2016
COORDINATION COMPOUNDS

274224 The ligand \(\left(\mathrm{OOC}-\mathrm{CH}_2\right)_2 \mathrm{NCH}_2-\mathrm{CH}_2-\mathrm{N}\left(\mathrm{CH}_2 \mathrm{COO}^{-}\right)_2\) is

1 Didentate
2 Tirdentate
3 Hexadentate
4 Tetradentate
J and K CET-(2016)
COORDINATION COMPOUNDS

274229 In the complexes $\left[\mathrm{Fe}\left(\mathrm{H}_{2} \mathrm{O}\right)_{6}\right]^{3+},\left[\mathrm{Fe}(\mathrm{CN})_{6}\right]^{3-}$, $\left[\mathrm{Fe}\left(\mathrm{C}_{2} \mathrm{O}_{4}\right)_{3}\right]^{3-}$ and $\left[\mathrm{FeCl}_{6}\right]^{3-}$, more stability is shown by

1 $\left[\mathrm{FeCl}_{6}\right]^{3-}$
2 $\left[\mathrm{Fe}\left(\mathrm{C}_{2} \mathrm{O}_{4}\right)_{3}\right]^{3-}$
3 $\left[\mathrm{Fe}\left(\mathrm{H}_{2} \mathrm{O}\right)_{6}\right]^{3+}$
4 $\left[\mathrm{Fe}(\mathrm{CN})_{6}\right]^{3-}$
JIPMER-2015
COORDINATION COMPOUNDS

274230 Trien ligand is:

1 Hexadentate, mono anionic
2 Tetradentate, neutral
3 Tetradentate, dianion
4 Monodentate, anion
AIIMS-26 May
NEET DIGITAL LIBRARY