Incorrect match among the following is:

1. Tetraamminediaquacobalt(III)
chloride
[Co(H2O)2(NH3)4]Cl3
2. Ammine
bromidochloridonitrito-N-platinate(II)
[Pt(NH3)BrCl(NO2)]-
3. Dichloridobis
(ethane−1,2−diamine)platinum(IV)
nitrate
[PtCl2(en)2](NO3)2
4. Iron(III) hexacyanoferrate(II) Fe2[Fe(CN)6]3
Subtopic:  Introduction, Classification and Nomenclature |
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Match the items in column I in with column II.
Column I Column II
a. K3[Fe(C2O4)3] i. Diamminechlorido(methylamine)platinum(II) chloride
b. [Co(NH3)5Cl]Cl2 ii. Potassium trioxalatoferrate(III)
c.  [Pt(NH3)2Cl(NH2CH3)]Cl iii. Potassium tetrachloridopalladate(II)
d.  K2[PdCl4] iv. Pentaamminechloridocobalt(III) chloride


1.  a-iv; b-iii; c-ii; d-i
2. a-iv; b-i; c-ii; d-iii
3. a-iii; b-i; c-iv; d-ii
4. a-ii; b-iv; c-i; d-iii

Subtopic:  Introduction, Classification and Nomenclature |
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The type(s) of isomerism exhibited by the K[Cr(H2O)2(C2O4)2] complexes is-

1. Geometrical isomerism
2. Optical isomerism
3. Linkage isomerism
4. Both 1 and 2

Subtopic:  Isomerism in Coordination Compounds |
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The relation between given pair of complexes is-
[Co(NH3)5Cl]SO4 and [Co(NH3)5SO4]Cl
1. Coordination isomers
2. Linkage isomers
3. Ionization isomers
4. Optical isomers
Subtopic:  Isomerism in Coordination Compounds |
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Statement I: [Ni(CN)4]2− structure is tetrahedral and diamagnetic in nature.
Statement II: [NiCl4]2−  structure is tetrahedral and diamagnetic in nature.

1. Both Statement I and II are true.

2. Statement I is true and statement II is false.
3. Both Statement I and II are false.
4. Statement I is false, Statement II is true.

Subtopic:  VBT, CFT & their Limitations |
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Assertion(A): [NiCl4]2− is paramagnetic while [Ni(CO)4] is diamagnetic though both are tetrahedral.
Reason(R): CO is a strong field ligand, thus pairing of electrons takes place in [Ni(CO)4].

1. Both assertion and reason are true, and reason is the correct explanation of the assertion.
2. Both assertion and reason are true, but reason is not the correct explanation of the assertion.
3. Assertion is true but reason is false.
4. Assertion is false but reason is true.

Subtopic:  VBT, CFT & their Limitations |
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Select the correct option based on statements below:
I: [Fe(H2O)6]3+ is strongly paramagnetic whereas [Fe(CN)6]3− is weakly paramagnetic.
II: [Fe(H2O)6]3+ has 4 unpaired electrons while [Fe(CN)6]3− has 5 unpaired electrons.


1. Both I and II are true.
2. I is true and II is false.
3. Both I and II are false.
4. I is false but II is true.

Subtopic:  VBT, CFT & their Limitations |
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The correct statement among the following is-
1. [Co(NH3)6]3+ and [Ni(NH3)6]2+, both are inner orbital complexes.
2. [Co(NH3)6]3+ and [Ni(NH3)6]2+ both are outer orbital complexes.
3. [Co(NH3)6]3+ is an inner orbital complex whereas [Ni(NH3)6]2+ is an outer orbital complex. 
4. [Co(NH3)6]3+ is an outer orbital complex whereas [Ni(NH3)6]2+ is an inner orbital complex. 

Subtopic:  VBT, CFT & their Limitations |
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The number of unpaired electrons in the square planar [Pt(CN)4]2− ion is-

1. One
2. Zero
3. Two
4. Three
Subtopic:  VBT, CFT & their Limitations |
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Consider the following statements.
a. The hexaquamanganese(II) ion contains five unpaired electrons, while the hexacyano ion contains only one unpaired electron.
b. [Mn(H2O)6]2+ is an outer sphere complex, and [Mn(CN)6]4− is an inner sphere complex.
c. Arrangement of the electrons in [Mn(CN)6]4− is T2g5eg0.

The correct statement(s) is/are
1. a, b only
2. b, c only
3. a, b, c
4. None of the above
Subtopic:  VBT, CFT & their Limitations |
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