01. Nomenclature
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COORDINATION COMPOUNDS

274012 According to Valence Bond Theory, the number of unpaired electrons present in $\left[\mathrm{MnCl}_{6}\right]^{3-},\left[\mathrm{Fe}(\mathrm{CN})_{6}\right]^{3-}$, and $\left[\mathrm{CO}\left(\mathrm{C}_{2} \mathrm{O}_{4}\right)_{3}\right]^{3-}$, respectively, are

1 $0 ; 5 ; 0$
2 $4 ; 3 ; 2$
3 $4 ; 1 ; 0$
4 $5 ; 4 ; 3$
TS EAMCET 05.08.2021
COORDINATION COMPOUNDS

274014 In which of the following order the given complex ions are arranged correctly with respect to their decreasing spin only magnetic moment ?
(i) $\left[\mathrm{FeF}_{6}\right]^{3-}$ (ii) $\left[\mathrm{Co}\left(\mathrm{NH}_{3}\right)_{6}\right]^{3+}$ (iii) $\left[\mathrm{NiCl}_{4}\right]^{2-}$ (iv) $\left[\mathbf{C u}\left(\mathbf{N H}_{3}\right)_{4}\right]^{2+}$

1 (i) $>$ (iii) $>$ (iv) $>$ (ii)
2 (ii) $>$ (iii) $>$ (i) $>$ (iv)
3 (iii) $>$ (iv) $>$ (ii) $>$ (i)
4 (ii) $>$ (i) $>$ (iii) $>$ (iv)
JEE Main 25.02.2021
COORDINATION COMPOUNDS

274015 Identify the correct sequence representing the order of decreasing magnetic moments of the given cations.

1 $\mathrm{Mn}^{2+}>\mathrm{Fe}^{2+}>\mathrm{Co}^{2+}>\mathrm{Ni}^{2+}$
2 $\mathrm{Ni}^{2+}>\mathrm{Co}^{2+}>\mathrm{Fe}^{2+}>\mathrm{Mn}^{2+}$
3 $\mathrm{Fe}^{2+}>\mathrm{Co}^{2+}>\mathrm{Ni}^{2+}>\mathrm{Mn}^{2+}$
4 $\mathrm{Co}^{2+}>\mathrm{Ni}^{2+}>\mathrm{Mn}^{2+}>\mathrm{Fe}^{2+}$
AP EAPCET-6 Sep. 2021
COORDINATION COMPOUNDS

274016 Arrange the following metal complex/compounds in the increasing order of spin only magnetic moment. Presume all the three, high spin system.
(Atomic number $\mathrm{Ce}=58, \mathrm{Gd}=64$ and $\mathrm{Eu}=$ 63.)

1 (A) $<$ (B) $<$ (C)
2 (A) $<$ (C) $<$ (B)
3 (B) $<$ (A) $<$ (C)
4 (C) $<$ (A) $<$ (B)
JEE Main 16.03.2021
For More Updates join with Us
COORDINATION COMPOUNDS

274012 According to Valence Bond Theory, the number of unpaired electrons present in $\left[\mathrm{MnCl}_{6}\right]^{3-},\left[\mathrm{Fe}(\mathrm{CN})_{6}\right]^{3-}$, and $\left[\mathrm{CO}\left(\mathrm{C}_{2} \mathrm{O}_{4}\right)_{3}\right]^{3-}$, respectively, are

1 $0 ; 5 ; 0$
2 $4 ; 3 ; 2$
3 $4 ; 1 ; 0$
4 $5 ; 4 ; 3$
TS EAMCET 05.08.2021
COORDINATION COMPOUNDS

274014 In which of the following order the given complex ions are arranged correctly with respect to their decreasing spin only magnetic moment ?
(i) $\left[\mathrm{FeF}_{6}\right]^{3-}$ (ii) $\left[\mathrm{Co}\left(\mathrm{NH}_{3}\right)_{6}\right]^{3+}$ (iii) $\left[\mathrm{NiCl}_{4}\right]^{2-}$ (iv) $\left[\mathbf{C u}\left(\mathbf{N H}_{3}\right)_{4}\right]^{2+}$

1 (i) $>$ (iii) $>$ (iv) $>$ (ii)
2 (ii) $>$ (iii) $>$ (i) $>$ (iv)
3 (iii) $>$ (iv) $>$ (ii) $>$ (i)
4 (ii) $>$ (i) $>$ (iii) $>$ (iv)
JEE Main 25.02.2021
COORDINATION COMPOUNDS

274015 Identify the correct sequence representing the order of decreasing magnetic moments of the given cations.

1 $\mathrm{Mn}^{2+}>\mathrm{Fe}^{2+}>\mathrm{Co}^{2+}>\mathrm{Ni}^{2+}$
2 $\mathrm{Ni}^{2+}>\mathrm{Co}^{2+}>\mathrm{Fe}^{2+}>\mathrm{Mn}^{2+}$
3 $\mathrm{Fe}^{2+}>\mathrm{Co}^{2+}>\mathrm{Ni}^{2+}>\mathrm{Mn}^{2+}$
4 $\mathrm{Co}^{2+}>\mathrm{Ni}^{2+}>\mathrm{Mn}^{2+}>\mathrm{Fe}^{2+}$
AP EAPCET-6 Sep. 2021
COORDINATION COMPOUNDS

274016 Arrange the following metal complex/compounds in the increasing order of spin only magnetic moment. Presume all the three, high spin system.
(Atomic number $\mathrm{Ce}=58, \mathrm{Gd}=64$ and $\mathrm{Eu}=$ 63.)

1 (A) $<$ (B) $<$ (C)
2 (A) $<$ (C) $<$ (B)
3 (B) $<$ (A) $<$ (C)
4 (C) $<$ (A) $<$ (B)
JEE Main 16.03.2021
NEET DIGITAL LIBRARY
COORDINATION COMPOUNDS

274012 According to Valence Bond Theory, the number of unpaired electrons present in $\left[\mathrm{MnCl}_{6}\right]^{3-},\left[\mathrm{Fe}(\mathrm{CN})_{6}\right]^{3-}$, and $\left[\mathrm{CO}\left(\mathrm{C}_{2} \mathrm{O}_{4}\right)_{3}\right]^{3-}$, respectively, are

1 $0 ; 5 ; 0$
2 $4 ; 3 ; 2$
3 $4 ; 1 ; 0$
4 $5 ; 4 ; 3$
TS EAMCET 05.08.2021
COORDINATION COMPOUNDS

274014 In which of the following order the given complex ions are arranged correctly with respect to their decreasing spin only magnetic moment ?
(i) $\left[\mathrm{FeF}_{6}\right]^{3-}$ (ii) $\left[\mathrm{Co}\left(\mathrm{NH}_{3}\right)_{6}\right]^{3+}$ (iii) $\left[\mathrm{NiCl}_{4}\right]^{2-}$ (iv) $\left[\mathbf{C u}\left(\mathbf{N H}_{3}\right)_{4}\right]^{2+}$

1 (i) $>$ (iii) $>$ (iv) $>$ (ii)
2 (ii) $>$ (iii) $>$ (i) $>$ (iv)
3 (iii) $>$ (iv) $>$ (ii) $>$ (i)
4 (ii) $>$ (i) $>$ (iii) $>$ (iv)
JEE Main 25.02.2021
COORDINATION COMPOUNDS

274015 Identify the correct sequence representing the order of decreasing magnetic moments of the given cations.

1 $\mathrm{Mn}^{2+}>\mathrm{Fe}^{2+}>\mathrm{Co}^{2+}>\mathrm{Ni}^{2+}$
2 $\mathrm{Ni}^{2+}>\mathrm{Co}^{2+}>\mathrm{Fe}^{2+}>\mathrm{Mn}^{2+}$
3 $\mathrm{Fe}^{2+}>\mathrm{Co}^{2+}>\mathrm{Ni}^{2+}>\mathrm{Mn}^{2+}$
4 $\mathrm{Co}^{2+}>\mathrm{Ni}^{2+}>\mathrm{Mn}^{2+}>\mathrm{Fe}^{2+}$
AP EAPCET-6 Sep. 2021
COORDINATION COMPOUNDS

274016 Arrange the following metal complex/compounds in the increasing order of spin only magnetic moment. Presume all the three, high spin system.
(Atomic number $\mathrm{Ce}=58, \mathrm{Gd}=64$ and $\mathrm{Eu}=$ 63.)

1 (A) $<$ (B) $<$ (C)
2 (A) $<$ (C) $<$ (B)
3 (B) $<$ (A) $<$ (C)
4 (C) $<$ (A) $<$ (B)
JEE Main 16.03.2021
Join With Us for More Updates
COORDINATION COMPOUNDS

274012 According to Valence Bond Theory, the number of unpaired electrons present in $\left[\mathrm{MnCl}_{6}\right]^{3-},\left[\mathrm{Fe}(\mathrm{CN})_{6}\right]^{3-}$, and $\left[\mathrm{CO}\left(\mathrm{C}_{2} \mathrm{O}_{4}\right)_{3}\right]^{3-}$, respectively, are

1 $0 ; 5 ; 0$
2 $4 ; 3 ; 2$
3 $4 ; 1 ; 0$
4 $5 ; 4 ; 3$
TS EAMCET 05.08.2021
COORDINATION COMPOUNDS

274014 In which of the following order the given complex ions are arranged correctly with respect to their decreasing spin only magnetic moment ?
(i) $\left[\mathrm{FeF}_{6}\right]^{3-}$ (ii) $\left[\mathrm{Co}\left(\mathrm{NH}_{3}\right)_{6}\right]^{3+}$ (iii) $\left[\mathrm{NiCl}_{4}\right]^{2-}$ (iv) $\left[\mathbf{C u}\left(\mathbf{N H}_{3}\right)_{4}\right]^{2+}$

1 (i) $>$ (iii) $>$ (iv) $>$ (ii)
2 (ii) $>$ (iii) $>$ (i) $>$ (iv)
3 (iii) $>$ (iv) $>$ (ii) $>$ (i)
4 (ii) $>$ (i) $>$ (iii) $>$ (iv)
JEE Main 25.02.2021
COORDINATION COMPOUNDS

274015 Identify the correct sequence representing the order of decreasing magnetic moments of the given cations.

1 $\mathrm{Mn}^{2+}>\mathrm{Fe}^{2+}>\mathrm{Co}^{2+}>\mathrm{Ni}^{2+}$
2 $\mathrm{Ni}^{2+}>\mathrm{Co}^{2+}>\mathrm{Fe}^{2+}>\mathrm{Mn}^{2+}$
3 $\mathrm{Fe}^{2+}>\mathrm{Co}^{2+}>\mathrm{Ni}^{2+}>\mathrm{Mn}^{2+}$
4 $\mathrm{Co}^{2+}>\mathrm{Ni}^{2+}>\mathrm{Mn}^{2+}>\mathrm{Fe}^{2+}$
AP EAPCET-6 Sep. 2021
COORDINATION COMPOUNDS

274016 Arrange the following metal complex/compounds in the increasing order of spin only magnetic moment. Presume all the three, high spin system.
(Atomic number $\mathrm{Ce}=58, \mathrm{Gd}=64$ and $\mathrm{Eu}=$ 63.)

1 (A) $<$ (B) $<$ (C)
2 (A) $<$ (C) $<$ (B)
3 (B) $<$ (A) $<$ (C)
4 (C) $<$ (A) $<$ (B)
JEE Main 16.03.2021
For More Updates join with Us