274227
Which of the following represents hexadentate ligand?
1 EDTA
2 DMG
3 Ethylenediamine
4 None of the above
Explanation:
(A) : EDTA is a hexdentate ligand because it has 6 donor sites.
BITSAT-2015
COORDINATION COMPOUNDS
274228
The correct order of the ligands, $\mathrm{OH}^{-}, \mathrm{NO}_{3}^{-}$, $\mathbf{P P h}_{3}$, pyridine, according to their increasing field strength is
(A) : Ligands are arranged in increasing order of field strength of ligands in spectro chemical series. Increasing field strength is :- $\mathrm{NO}_{3}^{-}<\mathrm{OH}^{-}<$Pyridine $<\mathrm{PPh}_{3}$
J and K CET-(2015)
COORDINATION COMPOUNDS
274175
Which one of the following metal complexes is most stable?
(B) : As the given complexes of cobalt, cobalt having the same +2 oxidation state. But $\left[\mathrm{Co}(\mathrm{en})_{3}\right] \mathrm{Cl}_{2}$ complex is most stable due to presence of more number of chelating ligands. If chelating ligand is present in complex then stability of complex will be increased. Hence $\left[\mathrm{Co}(\mathrm{en})_{3}\right] \mathrm{Cl}_{2}$ has 3 chelating ligand ethylene diamine so it has most stable metal complex.
JEE Main 2021
COORDINATION COMPOUNDS
274176
The denticity of an organic ligand, biuret is
1 2
2 4
3 3
4 6
Explanation:
(A) : The denticity of an organic ligand buriet is 2
JEE Main 2021
COORDINATION COMPOUNDS
274168
The correct order of decreasing field strength of the below given ligands is \(I - \mathrm{NCS}^{-} \quad II - \mathrm{S}^{2-}\quad III - en \quad IV - \mathrm{SCN}^{-}\)
1 I $>$ II $>$ IV $>$ III
2 III $>$ II $>$ IV $>$ I
3 III $>$ I $>$ IV $>$ II
4 III $>$ IV $>$ I $>$ II
Explanation:
(C) : According to the petrochemical series, the decreasing order of ligand field will be - en $($ III $)>\mathrm{NCS}^{-}$(I) $>\mathrm{SCN}^{-}$(IV) $>\mathrm{S}^{2-}$ (II)
274227
Which of the following represents hexadentate ligand?
1 EDTA
2 DMG
3 Ethylenediamine
4 None of the above
Explanation:
(A) : EDTA is a hexdentate ligand because it has 6 donor sites.
BITSAT-2015
COORDINATION COMPOUNDS
274228
The correct order of the ligands, $\mathrm{OH}^{-}, \mathrm{NO}_{3}^{-}$, $\mathbf{P P h}_{3}$, pyridine, according to their increasing field strength is
(A) : Ligands are arranged in increasing order of field strength of ligands in spectro chemical series. Increasing field strength is :- $\mathrm{NO}_{3}^{-}<\mathrm{OH}^{-}<$Pyridine $<\mathrm{PPh}_{3}$
J and K CET-(2015)
COORDINATION COMPOUNDS
274175
Which one of the following metal complexes is most stable?
(B) : As the given complexes of cobalt, cobalt having the same +2 oxidation state. But $\left[\mathrm{Co}(\mathrm{en})_{3}\right] \mathrm{Cl}_{2}$ complex is most stable due to presence of more number of chelating ligands. If chelating ligand is present in complex then stability of complex will be increased. Hence $\left[\mathrm{Co}(\mathrm{en})_{3}\right] \mathrm{Cl}_{2}$ has 3 chelating ligand ethylene diamine so it has most stable metal complex.
JEE Main 2021
COORDINATION COMPOUNDS
274176
The denticity of an organic ligand, biuret is
1 2
2 4
3 3
4 6
Explanation:
(A) : The denticity of an organic ligand buriet is 2
JEE Main 2021
COORDINATION COMPOUNDS
274168
The correct order of decreasing field strength of the below given ligands is \(I - \mathrm{NCS}^{-} \quad II - \mathrm{S}^{2-}\quad III - en \quad IV - \mathrm{SCN}^{-}\)
1 I $>$ II $>$ IV $>$ III
2 III $>$ II $>$ IV $>$ I
3 III $>$ I $>$ IV $>$ II
4 III $>$ IV $>$ I $>$ II
Explanation:
(C) : According to the petrochemical series, the decreasing order of ligand field will be - en $($ III $)>\mathrm{NCS}^{-}$(I) $>\mathrm{SCN}^{-}$(IV) $>\mathrm{S}^{2-}$ (II)
274227
Which of the following represents hexadentate ligand?
1 EDTA
2 DMG
3 Ethylenediamine
4 None of the above
Explanation:
(A) : EDTA is a hexdentate ligand because it has 6 donor sites.
BITSAT-2015
COORDINATION COMPOUNDS
274228
The correct order of the ligands, $\mathrm{OH}^{-}, \mathrm{NO}_{3}^{-}$, $\mathbf{P P h}_{3}$, pyridine, according to their increasing field strength is
(A) : Ligands are arranged in increasing order of field strength of ligands in spectro chemical series. Increasing field strength is :- $\mathrm{NO}_{3}^{-}<\mathrm{OH}^{-}<$Pyridine $<\mathrm{PPh}_{3}$
J and K CET-(2015)
COORDINATION COMPOUNDS
274175
Which one of the following metal complexes is most stable?
(B) : As the given complexes of cobalt, cobalt having the same +2 oxidation state. But $\left[\mathrm{Co}(\mathrm{en})_{3}\right] \mathrm{Cl}_{2}$ complex is most stable due to presence of more number of chelating ligands. If chelating ligand is present in complex then stability of complex will be increased. Hence $\left[\mathrm{Co}(\mathrm{en})_{3}\right] \mathrm{Cl}_{2}$ has 3 chelating ligand ethylene diamine so it has most stable metal complex.
JEE Main 2021
COORDINATION COMPOUNDS
274176
The denticity of an organic ligand, biuret is
1 2
2 4
3 3
4 6
Explanation:
(A) : The denticity of an organic ligand buriet is 2
JEE Main 2021
COORDINATION COMPOUNDS
274168
The correct order of decreasing field strength of the below given ligands is \(I - \mathrm{NCS}^{-} \quad II - \mathrm{S}^{2-}\quad III - en \quad IV - \mathrm{SCN}^{-}\)
1 I $>$ II $>$ IV $>$ III
2 III $>$ II $>$ IV $>$ I
3 III $>$ I $>$ IV $>$ II
4 III $>$ IV $>$ I $>$ II
Explanation:
(C) : According to the petrochemical series, the decreasing order of ligand field will be - en $($ III $)>\mathrm{NCS}^{-}$(I) $>\mathrm{SCN}^{-}$(IV) $>\mathrm{S}^{2-}$ (II)
274227
Which of the following represents hexadentate ligand?
1 EDTA
2 DMG
3 Ethylenediamine
4 None of the above
Explanation:
(A) : EDTA is a hexdentate ligand because it has 6 donor sites.
BITSAT-2015
COORDINATION COMPOUNDS
274228
The correct order of the ligands, $\mathrm{OH}^{-}, \mathrm{NO}_{3}^{-}$, $\mathbf{P P h}_{3}$, pyridine, according to their increasing field strength is
(A) : Ligands are arranged in increasing order of field strength of ligands in spectro chemical series. Increasing field strength is :- $\mathrm{NO}_{3}^{-}<\mathrm{OH}^{-}<$Pyridine $<\mathrm{PPh}_{3}$
J and K CET-(2015)
COORDINATION COMPOUNDS
274175
Which one of the following metal complexes is most stable?
(B) : As the given complexes of cobalt, cobalt having the same +2 oxidation state. But $\left[\mathrm{Co}(\mathrm{en})_{3}\right] \mathrm{Cl}_{2}$ complex is most stable due to presence of more number of chelating ligands. If chelating ligand is present in complex then stability of complex will be increased. Hence $\left[\mathrm{Co}(\mathrm{en})_{3}\right] \mathrm{Cl}_{2}$ has 3 chelating ligand ethylene diamine so it has most stable metal complex.
JEE Main 2021
COORDINATION COMPOUNDS
274176
The denticity of an organic ligand, biuret is
1 2
2 4
3 3
4 6
Explanation:
(A) : The denticity of an organic ligand buriet is 2
JEE Main 2021
COORDINATION COMPOUNDS
274168
The correct order of decreasing field strength of the below given ligands is \(I - \mathrm{NCS}^{-} \quad II - \mathrm{S}^{2-}\quad III - en \quad IV - \mathrm{SCN}^{-}\)
1 I $>$ II $>$ IV $>$ III
2 III $>$ II $>$ IV $>$ I
3 III $>$ I $>$ IV $>$ II
4 III $>$ IV $>$ I $>$ II
Explanation:
(C) : According to the petrochemical series, the decreasing order of ligand field will be - en $($ III $)>\mathrm{NCS}^{-}$(I) $>\mathrm{SCN}^{-}$(IV) $>\mathrm{S}^{2-}$ (II)
274227
Which of the following represents hexadentate ligand?
1 EDTA
2 DMG
3 Ethylenediamine
4 None of the above
Explanation:
(A) : EDTA is a hexdentate ligand because it has 6 donor sites.
BITSAT-2015
COORDINATION COMPOUNDS
274228
The correct order of the ligands, $\mathrm{OH}^{-}, \mathrm{NO}_{3}^{-}$, $\mathbf{P P h}_{3}$, pyridine, according to their increasing field strength is
(A) : Ligands are arranged in increasing order of field strength of ligands in spectro chemical series. Increasing field strength is :- $\mathrm{NO}_{3}^{-}<\mathrm{OH}^{-}<$Pyridine $<\mathrm{PPh}_{3}$
J and K CET-(2015)
COORDINATION COMPOUNDS
274175
Which one of the following metal complexes is most stable?
(B) : As the given complexes of cobalt, cobalt having the same +2 oxidation state. But $\left[\mathrm{Co}(\mathrm{en})_{3}\right] \mathrm{Cl}_{2}$ complex is most stable due to presence of more number of chelating ligands. If chelating ligand is present in complex then stability of complex will be increased. Hence $\left[\mathrm{Co}(\mathrm{en})_{3}\right] \mathrm{Cl}_{2}$ has 3 chelating ligand ethylene diamine so it has most stable metal complex.
JEE Main 2021
COORDINATION COMPOUNDS
274176
The denticity of an organic ligand, biuret is
1 2
2 4
3 3
4 6
Explanation:
(A) : The denticity of an organic ligand buriet is 2
JEE Main 2021
COORDINATION COMPOUNDS
274168
The correct order of decreasing field strength of the below given ligands is \(I - \mathrm{NCS}^{-} \quad II - \mathrm{S}^{2-}\quad III - en \quad IV - \mathrm{SCN}^{-}\)
1 I $>$ II $>$ IV $>$ III
2 III $>$ II $>$ IV $>$ I
3 III $>$ I $>$ IV $>$ II
4 III $>$ IV $>$ I $>$ II
Explanation:
(C) : According to the petrochemical series, the decreasing order of ligand field will be - en $($ III $)>\mathrm{NCS}^{-}$(I) $>\mathrm{SCN}^{-}$(IV) $>\mathrm{S}^{2-}$ (II)
