The number of possible isomers for the complex Coen2Cl2Cl will be (en=ethylenediamine):

1. 2

2. 1

3. 3

4. 4

Subtopic:  Isomerism in Coordination Compounds |
 62%
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NEET - 2015
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The hybridization involved in the complex NiCN42-is:
(Atomic number of Ni=28)

1. dsp2

2. sp3

3. d2sp2

4. d2sp3

Subtopic:  VBT, CFT & their Limitations |
 81%
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The sum of the coordination number and oxidation number of the metal M in the complex [M(en)2(C2O4)]Cl is:

1. 9 2. 6
3. 7 4. 8
Subtopic:  Introduction, Classification and Nomenclature |
 61%
From NCERT
NEET - 2015
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The IUPAC name of complex ion, [Fe(CN)6]3- is:

1. Hexacyanoiron(III) ion

2. Hexacyanitoferrate(III) ion

3. Tricynoferrate(III) ion

4. Hexacyanidoferrate(III) ion

Subtopic:  Introduction, Classification and Nomenclature |
 75%
From NCERT
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An ion, among the following, that has a magnetic moment of 2.84 BM is:
(At. no. Ni = 28, Ti = 22, Cr = 24, Co = 27)

1. Ni2+
2. Ti3+
3. Cr2+
4. Co2+

Subtopic:  VBT, CFT & their Limitations |
 79%
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Cobalt(III) chloride forms several octahedral complexes with ammonia.
A compound among the following that does not give a test for chloride ions with silver nitrate at 25 °C is:

1. CoCl3. 3NH3 2. CoCl3. 4NH3
3. CoCl3. 5NH3 4. CoCl3. 6NH3
Subtopic:  Introduction, Classification and Nomenclature |
 80%
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NEET - 2015
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The correct statement, among the following, is:

1. [Co(CN)6]3- has no unpaired electrons and will be
in a low-spin configuration.
2. [Co(CN)6]3- has four unpaired electrons and will be
in a low-spin configuration.
3. [Co(CN)6]3- has four unpaired electrons and will be
In a high-spin configuration.
4. [Co(CN)6]3- has no unpaired electrons and will be
in a high-spin configuration.

Subtopic:  VBT, CFT & their Limitations |
 77%
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Among the following complexes the one which shows zero crystal field stabilization energy (CFSE) is:

1. [Ni(H2O)6]3+

2. [Fe(H2O)6]3+

3. [Co(H2O)6]2+

4. [Co(H2O)6]3+

Subtopic:  VBT, CFT & their Limitations |
 69%
AIPMT - 2014
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An ion that has magnetic moment 2.83 BM is:
(Atomic Number: Ti=22, Cr=24, Mn=25, Ni=28)

1. Ti3+

2. Ni2+

3. Cr3+

4. Mn2+

Subtopic:  VBT, CFT & their Limitations |
 88%
From NCERT
AIPMT - 2014
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An anticancer agent among the following is:

1. mer-[Co(NH3)3Cl]

2. cis-[PtCl2(NH3)2]

3. cis-K2[Pt Cl2Br2]

4. NH2CoCl4

Subtopic:  Isomerism in Coordination Compounds |
 91%
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AIPMT - 2014
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