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question_answer1)
The correct name of
is
A)
tri -\[\mu \]- carbonyl bis (tricarbonyl) iron (0) done
clear
B)
hexacarbonyl iron (III)\[\mu \]-tricarbonyl ferrate (0) done
clear
C)
tricarbonyl iron (0)\[\mu \]-tricarbonyl iron (0) tricarbonyl done
clear
D)
nonacarbonyl iron done
clear
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question_answer2)
The IUPAC name of \[{{K}_{2}}[Cr{{(CN)}_{2}}{{O}_{2}}{{(O)}_{2}}(N{{H}_{3}})]\] is
A)
potassiumamminedicyanodioxoperoxo chromate (VI) done
clear
B)
potassiumamminecyanoperoxodioxo chromium (VI) done
clear
C)
potassiumamminecyanoperoxodioxo chromium (IV) done
clear
D)
potassiumamminecyanoperoxodioxo chromate (IV) done
clear
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question_answer3)
The number of geometrical isomers of \[[Co{{(N{{H}_{3}})}_{3}}{{(N{{O}_{3}})}_{3}}]\]are:
A)
0 done
clear
B)
2 done
clear
C)
3 done
clear
D)
4 done
clear
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question_answer4)
The correct order of magnetic moments (spin values in B.M.) among is:
A)
\[{{[Fe{{(CN)}_{6}}]}^{4-}}>{{[CoC{{l}_{4}}]}^{2-}}>{{[MnC{{l}_{4}}]}^{2-}}\] done
clear
B)
\[{{[MnC{{l}_{4}}]}^{2-}}>{{[Fe{{(CN)}_{6}}]}^{4-}}>{{[CoC{{l}_{4}}]}^{2-}}\] done
clear
C)
\[{{[Fe{{(CN)}_{6}}]}^{4-}}>{{[MnC{{l}_{4}}]}^{2-}}>{{[CoC{{l}_{4}}]}^{2-}}\] done
clear
D)
\[{{[MnC{{l}_{4}}]}^{2-}}>{{[CoC{{l}_{4}}]}^{2-}}>{{[Fe{{(CN)}_{6}}]}^{4-}}\] (Atomic no. of Mn = 25, Fe = 26, Co = 27) done
clear
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question_answer5)
Nickel (Z = 28) combines with a uninegative monodentate ligand \[{{X}^{-}}\] to form a paramagnetic complex \[{{[Ni{{X}_{4}}]}^{2-}}\]. The number of unpaired electron(s) in the nickel and geometry of the complex ion are, respectively:
A)
One, tetrahedral done
clear
B)
Two, tetrahedral done
clear
C)
One, square planar done
clear
D)
Two, square planar done
clear
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question_answer6)
In Fe\[{{(CO)}_{5}}\], the Fe\[-\]C bond possesses:
A)
\[\pi \]-character only done
clear
B)
Both \[\sigma \] and \[\pi \] characters done
clear
C)
Ionic character done
clear
D)
\[\sigma \]-character only done
clear
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question_answer7)
Among the ligands \[N{{H}_{3}}\], en, \[C{{N}^{-}}\] and CO, the correct order of their increasing field strength is
A)
CO <\[N{{H}_{3}}\]<en<\[C{{N}^{-}}\] done
clear
B)
\[N{{H}_{3}}\]<en<\[C{{N}^{-}}\]<CO done
clear
C)
\[C{{N}^{-}}\]<\[N{{H}_{3}}\]<CO<en done
clear
D)
en <\[C{{N}^{-}}\]<\[N{{H}_{3}}\]<CO done
clear
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question_answer8)
The octahedral complex of a metal ion \[{{M}^{3+}}\] with fan monodentate ligands \[{{L}_{1}},\]\[{{L}_{2}},\]\[{{L}_{3}},\] and \[{{L}_{4}},\] absorbs wavelength! in the region of red, green, yellow, and blue, respectively The increasing order of ligand strength of the four Uganda is:
A)
\[{{L}_{4}}<{{L}_{3}}<{{L}_{2}}<{{L}_{1}}\] done
clear
B)
\[{{L}_{1}}<{{L}_{3}}<{{L}_{2}}<{{L}_{4}}\] done
clear
C)
\[{{L}_{3}}<{{L}_{2}}<{{L}_{4}}<{{L}_{1}}\] done
clear
D)
\[{{L}_{1}}<{{L}_{2}}<{{L}_{4}}<{{L}_{3}}\] done
clear
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question_answer9)
The number of geometric isomers that can exist for square planar \[{{[Pt()Cl(py)(N{{H}_{3}})(N{{H}_{2}}OH)]}^{+}}\] I (py = pyridine): '
A)
2 done
clear
B)
3 done
clear
C)
4 done
clear
D)
6 done
clear
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question_answer10)
Amongst \[Ni{{(CO)}_{4}},{{[Ni{{(CN)}_{4}}]}^{2-}}\] and \[NiC{{l}_{4}}^{2-}\]
A)
\[Ni{{(CO)}_{4}}\] and \[NiC{{l}_{4}}^{2-}\] are diamagnetic and \[{{[Ni{{(CN)}_{4}}]}^{2-}}\] is paramagnetic done
clear
B)
\[{{[Ni{{(CN)}_{4}}]}^{2-}}\] and \[{{[Ni{{(CN)}_{4}}]}^{2-}}\] are diamagnetic and \[Ni{{(CO)}_{4}}\] is paramagnetic done
clear
C)
\[Ni{{(CO)}_{4}}\] and \[{{[Ni{{(CN)}_{4}}]}^{2-}}\] are diamagnetic and \[NiC{{l}_{4}}^{2-}\]is paramagnetic done
clear
D)
\[Ni{{(CO)}_{4}}\] is diamagne and \[NiC{{l}_{4}}^{2-}\] and \[{{[Ni{{(CN)}_{4}}]}^{2-}}\] are paramagnetic done
clear
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question_answer11)
Among the following metal carbonyls, the C-0 bond order is lowest in
A)
\[{{[Mn{{(CO)}_{6}}]}^{+}}\] done
clear
B)
\[[Fe{{(CO)}_{5}}]\] done
clear
C)
\[[Cr{{(CO)}_{6}}]\] done
clear
D)
\[{{[V{{(CO)}_{6}}]}^{-}}\] done
clear
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question_answer12)
Geometrical shapes of the complexes formed by the reaction of \[N{{i}^{2+}}\] with \[C{{I}^{-}}\], \[C{{N}^{-}}\] and \[{{H}_{2}}O\], respectively, are
A)
octahedral, tetrahedral and square planar done
clear
B)
tetrahedral, square planar and octahedral done
clear
C)
square planar, tetrahedral and octahedral done
clear
D)
octahedral, square planar and octahedral done
clear
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question_answer13)
\[NiC{{l}_{2}}{{\left\{ P{{({{C}_{2}}{{H}_{5}})}_{2}}\,({{C}_{6}}{{H}_{5}}) \right\}}_{2}}\] exhibits temperature dependent magnetic behaviour (paramagnetic / diamagnetic). The coordination geometries of \[N{{i}^{2+}}\] in the paramagnetic and diamagnetic states respectively, are
A)
tetrahedral and tetrahedral done
clear
B)
square planar and square planar done
clear
C)
tetrahedral and square planar done
clear
D)
square planar and tetrahedral done
clear
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question_answer14)
Which of the following statements is correct with respect to the metal carbonyls of 1st transition series?
A)
As \[M-C\pi \] bonding increases, the C-O bond length increases. done
clear
B)
As positive charge on the central metal atom increase the C-O bond length increases. done
clear
C)
As electron density on the central metal atom increase the C-O bond length increases. done
clear
D)
[a] and [c] both. done
clear
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question_answer15)
Match List I (complex ions) with List II (CFSE) and select the correct answer using the codes given below the list;
| List I | | List II |
(P) | \[{{[Mn({{H}_{2}}{{O}_{6}})]}^{2+}}\] | 1. | \[-\]0.6 \[{{\Delta }_{0}}\] |
(Q) | \[{{[Cr({{H}_{2}}{{O}_{6}})]}^{2+}}\] | 2. | \[-\]0.4 \[{{\Delta }_{0}}\] |
(R) | \[{{[Fe({{H}_{2}}{{O}_{6}})]}^{2+}}\] | 3. | 0 |
(S) | \[{{[Cr({{H}_{2}}{{O}_{6}})]}^{3+}}\] | 4. | \[-\]1.2 \[{{\Delta }_{0}}\] |
Code:
A)
P\[\to \]3, Q\[\to \]1, R\[\to \]2, S\[\to \]4 done
clear
B)
P\[\to \]1, Q\[\to \]2, R\[\to \]3, S\[\to \]4 done
clear
C)
P\[\to \]4, Q\[\to \]3, R\[\to \]2, S\[\to \]1 done
clear
D)
None of these done
clear
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question_answer16)
Which of the following statements is not true?
A)
\[{{[MnC{{l}_{4}}]}^{2-}}\] ion has tetrahedral geometry and paramagnetic. done
clear
B)
\[{{[Mn{{(Cl)}_{6}}]}^{2-}}\] ion has octahedral geometry and paramagnetic. done
clear
C)
\[{{[Cu{{(CN)}_{4}}]}^{3-}}\]- has square planar geometry and diamagnetic. done
clear
D)
\[[Ni{{(P{{h}_{3}}P)}_{2}}B{{r}_{3}}]\] has trigonal bipyramidal geometry 2 is paramagnetic. done
clear
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question_answer17)
Match Column I with Column II and select the con- answer with respect to hybridisation using the codes gr below:
| Column I (Complex) | | Column II (Hybridisation) |
(I) | \[{{[Au{{F}_{4}}]}^{-}}\] | (P) | \[ds{{p}^{2}}\]hybridisation |
(II) | \[{{[Cu{{(CN)}_{4}}]}^{3-}}\] | (Q) | \[ds{{p}^{3}}\]hybridisation |
(III) | \[{{[Cu{{({{C}_{2}}{{O}_{4}})}_{3}}]}^{3-}}\] | (R) | \[s{{p}^{3}}\,{{d}^{2}}\]hybridisation |
(IV) | \[{{[Fe{{({{H}_{2}}O)}_{5}}NO]}^{2+}}\] | (S) | \[{{d}^{2}}s{{p}^{3}}\]hybridisation |
Codes:
A)
(I)\[\to \]Q, (II)\[\to \]P, (III)\[\to \]R, (IV)\[\to \]S done
clear
B)
(I)\[\to \]P, (II)\[\to \]Q, (III)\[\to \]S, (IV)\[\to \]R done
clear
C)
(I)\[\to \]P, (II)\[\to \]Q, (III)\[\to \]R, (IV)\[\to \]S done
clear
D)
(I)\[\to \]Q, (II)\[\to \]P, (III)\[\to \]S, (IV)\[\to \]R done
clear
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question_answer18)
Which of the following complexes show geometrical as well as optical isomerism? |
(1) \[{{[Cr{{(OX)}_{3}}]}^{3-}}\] |
(2) \[{{[Rh{{(en)}_{2}}C{{l}_{2}}]}^{+}}\] |
(3) \[{{[Co{{(N{{H}_{3}})}_{2}}{{(Cl)}_{2}}(en)]}^{+}}\] |
Select the correct answer using the codes given below. |
A)
1 only done
clear
B)
1 and 2 only done
clear
C)
2 and 3 only done
clear
D)
1, 2, and 3 done
clear
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question_answer19)
Select the correct statement from the following.
A)
\[{{[Sc{{({{H}_{2}}O)}_{6}}]}^{3+}}\] and \[{{[Ti{{({{H}_{2}}O)}_{6}}]}^{3+}}\] both are colourless. done
clear
B)
\[[Co{{(N{{H}_{3}})}_{4}}B{{r}_{2}}]Cl\] shows ionization isomers and geometrical isomers. done
clear
C)
\[[Pd{{(N{{O}_{2}})}_{2}}{{(N{{H}_{3}})}_{2}}]\] is square planar and shows geometrical as well as linkage isomers. done
clear
D)
Both [b] and [c] are correct. done
clear
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question_answer20)
\[[Co{{(N{{H}_{3}})}_{4}}{{(N{{O}_{2}})}_{2}}]Cl\] exhibits:
A)
linkage isomerism, geometrical isomerism and optical isomerism done
clear
B)
linkage isomerism, ionization isomerism and optical isomerism done
clear
C)
linkage isomerism, ionization isomerism and geometrical isomerism done
clear
D)
ionization isomerism, geometrical isomerism and optical isomerism done
clear
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question_answer21)
How many moles of AgCl would be obtained when 100 mL of 0.1 M \[CoC{{l}_{3}}\,.\]3\[N{{H}_{3}}\] is treated with excess Ag\[N{{O}_{3}}\]?
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question_answer22)
For square planar complex of platinum (II), \[{{[Pt(N{{H}_{3}})(Br)(Cl)Py]}^{2+}}\] how many isomeric forms are possible?
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question_answer23)
The number of terminal carbonyl groups present in \[F{{e}_{2}}{{(CO)}_{9}}\] are
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question_answer24)
For the octahedral complexes of \[F{{e}^{3+}}\] in SCN (thiocyanato-S) and in\[C{{N}^{-}}\]ligand environments, the difference between the spin-only magnetic moments in Bohr magnetons (when approximated to the nearest integer) is [Atomic number of Fe = 26]
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question_answer25)
In the complex acetylbromidodicarbonylbi (triethylphosphine) iron (II), the number of Fe - C bond(s) is
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