Atomic number of Cr and Fe are respectively 24 and 26 which of the following is paramagnetic with the spin of electron?

1. [Cr(CO)6]

2. [Fe(CO)5]

3. [Fe(CN)6]4-

4. [Cr(NH3)6]3+

Subtopic:  VBT, CFT & their Limitations |
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The compound which does not show paramagnetism is:

1. [Cu(NH3)4]Cl2

2. FeO

3. NO

4. N2O4

Subtopic:  VBT, CFT & their Limitations |
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A solution containing 2.675 g of CoCl3.6NH(molar mass = 267.5 g mol-1) is passed through a cation exchanger. The chloride ions obtained in the solution were treated with an excess of AgNO3 to give 4.78 g of AgCl. Formula of the complex is (Atomic mass of Ag = 108u) :

1. [CoCl(NH3)5]Cl2

2. [Co(NH3)6]Cl3

3. [CoCl2(NH3)4]Cl

4. [CoCl3(NH3)3]

Subtopic:  Werner’s Theory |
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Trunbull's blue is :

1. ferricyanide

2. ferrous ferricyanide

3. ferrous cyanide

4. ferri ferrocyanide

Subtopic:  Introduction, Classification and Nomenclature |
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The correct IUPAC name of AlCl3(EtOH)4 is :

1. Aluminium (II)Chloride-4-ethanol

2. Aluminium (III)Chloride-4-ethanol

3. Aluminium (IV)Chloride-4-hydroxy ethane

4. Aluminium Chloride-4-ethanol

Subtopic:  Introduction, Classification and Nomenclature |
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Which complex has square planar shape dsp2 hydridizatiop?

1. [Ni(CN)4]2-

2. [Cu(NH3)42+

3. [PtCl4]2-

4. All of these

Subtopic:  VBT, CFT & their Limitations |
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Which has regular tetrahedral geometry?

1. [Ni(CN)4]-2

2. SF4

3. [BF4]-

4. XeF4

Subtopic:  VBT, CFT & their Limitations |
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The primary valency of Fe in K3[Fe(CN)6] is:

1. 3

2. 2

3. 1

4. zero

Subtopic:  Werner’s Theory |
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The IUPAC name for the complex [Co(NO2)(NH3)5]Cl2 is:

1. nitro-N-pentaamminecobalt(III)chloride

2. nitro-N-pentaamminecobalt(II)chloride

3. pentaamminenitro-N-cobalt(II)chloride

4. pentaamminenitro-N-cobalt(III)chloride

Subtopic:  Introduction, Classification and Nomenclature |
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The total number of possible isomers for the complex compound[CuII(NH3)4][PtIICl4] are

1. 5

2. 6

3. 3

4. 4

Subtopic:  Isomerism in Coordination Compounds |
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