A compound among the following has both fac-mer and optical isomers is:

1. [Co(NH3)5(NO3)]     

2. [Co(en)3]3−

3. [Co(gly)3]

4. None of the above

Subtopic:  Isomerism in Coordination Compounds |
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Which of the following statements regarding the complex ion  [Mn(CN)6]3- is correct?.

1. It is sp3d2 hybridised and octahedral.

2. It is d2sp3 hybridised and octahedral.

3. It is sp3d2 hybridised and tetrahedral.

4. It is dsp2 hybridised and square planar.

Subtopic:  VBT, CFT & their Limitations |
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Total geometrical isomers possible for [Pd2+(NH2-CH(CH3)-CO2-)2]0 are -

1. 2

2. 3

3. 4

4. 6

Subtopic:  Isomerism in Coordination Compounds |
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Which of the following is correct IUPAC name of any complex compound.
(A) Tris (acetyl acetonato) iron (III) chloride
(B) Hexachloroplatinum (IV) tetraammine dicyano platinate (IV)
(C) Ammine bromochloro methylamine platinum (II)
(D) Cis dichloro (ethylenediamine) platinum (II)

Subtopic:  Introduction, Classification and Nomenclature |
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What are the geometries of \([Ni(CO)_4]\) and \([Ni(PPh_3)_2Cl_2]\) respectively?

1. Both square planar.

2. Tetrahedral and square planar, respectively.

3. Both tetrahedral.

4. Square planar and tetrahedral, respectively.

Subtopic:  VBT, CFT & their Limitations |
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For the complexes [Co(NH3)6]Cl3 and [Co(NH3)6]Cl2​, identify the correct matching property from the given options.

\([Co(NH_3)_6]Cl_3\) \([Co(NH_3)_6]Cl_2\)
1. Stability less more
2. Magnetism Paramagnetic      Diamagnetic
3. Hybridization \(sp^3d^2\) \(d^2sp^3\)
4. Complex Inner orbital Outer orbital
Subtopic:  VBT, CFT & their Limitations |
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Given the following pair of isomers:
[Cr(NH3)6][Cr(NO2)6] and
[Cr(NH3)4(NO2)2][Cr(NH3)2(NO2)4]
Aside from X-ray diffraction, how could the following pairs of isomers be distinguished from one another?

1. Cryoscopic method
2. Measuring their molar conductance
3. Measuring their magnetic moments
4. Observing their colors

Subtopic:  Introduction, Classification and Nomenclature |
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Match the complex ions give in Column I with the colours given in column II and assign the correct code.

               Column I

            (Complex ion)

              Column II

              (Colour)

A. [Co(NH3)6]3+

1. Violet

B. [Ti(H2O)6)]3+

2. Green

C. Ni(H2O62+

3. Pale blue 

D. Ni(H2O)4(en)2+

4. Yellowish orange

Codes:

Options:  A   B   C   D 
1. 2 3 4 1
2. 3 1 5 2
3. 5 4 3 2
4. 4 3 2 1
Subtopic:  VBT, CFT & their Limitations |
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Assertion (A): Cr(H2O6)Cl2 and Fe(H2O)6Cl2 are reducing in nature.
Reason (R): Unpaired electrons are present in their d-orbitals.

 

1. Both (A) and (R) are True and the (R) is the correct explanation of (A).
2. Both (A) and (R) are True and (R) is not the correct explanation of (A).
3. (A) is true but the (R) is False.
4. (A) is False but (R) is True.
Subtopic:  VBT, CFT & their Limitations |
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IUPAC name of H2[PtCl6] is:

1. hydrogen hexachloroplatinate (IV)

2. dihydrogen hexachloroplatinate (IV)

3. hydrogen hexachloroplatinic (IV) acid

4. hexachloroplatinic (IV) acid

Subtopic:  Introduction, Classification and Nomenclature |
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