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Double Salts and Co-ordi..



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Q1. What is the primary valence of iron in the coordination entity of compound Fe4[Fe(CN)6]3?

(a) 0
(b) 2
(c) 3
(d) 4

Q2. What is the sum of the oxidation number of cobalt in [Co(H2O)(CN)(en)2]2+and [CoBr2(en)2]+?

(a) 3
(b) 4
(c) 5
(d) 6

Q3. If Pt in PtCl4.2HCl has a secondary valence of 6, how many mols of AgCl will 1 mol of the compound precipitate with excess AgNO3?

(a) 0
(b) 1
(c) 2
(d) 4

Q4. Given that 1 mol of NiCl2.6H2O with excess AgNO3 precipitates 2 mols of AgCl, what is the secondary valence of Ni?

(a) 1
(b) 2
(c) 4
(d) 6

Q5. Werner postulated that octahedral, tetrahedral and square planar geometrical shapes are more common in coordination compounds of ________

(a) alkali metals
(b) lanthanides
(c) actinides
(d) transition metals

Q6. Werner proposed that the primary valences are ionizable and are satisfied only by positive ions.

(a) True
(b) False
(c) Both acidolysis and aldehyde
(d) None of the mentioned

Q7. Which is the counter ion in [Pd(NH3)4]2+2Cl??

(a) Pd2+
(b) [Pd(NH3)4]2+
(c) Cl?
(d) It does not have a counter ion

Q8. If the secondary valence in CoCl3.4NH3 is six, the solution conductivity in silver nitrate corresponds to ________ electrolyte.

(a) 1:1
(b) 1:2
(c) 1:3
(d) 1:4

Q9. What is the colour of the compound CoCl3.5NH3?

(a) Yellow
(b) Purple
(c) Green
(d) Violet

Q10. What was the term proposed by Werner for the number of groups bound directly to the metal ion in a coordination complex?

(a) Primary valence
(b) Secondary valence
(c) Oxidation number
(d) Polyhedra


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615 views

Which Of The Following Is Not Considered As An Organometallic Compound

Modified 237 Year Ago

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237 Year Ago

Which Of The Following Is Not Considered As An Organometallic Compound

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372 views

The Anion Of Acetylacetone (acac) Forms Co (acac)3 Chelate With Co3+ . The Right Rings Of The Chelate Are

Modified 237 Year Ago

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237 Year Ago

The Anion Of Acetylacetone (acac) Forms Co (acac)3 Chelate With Co3+ . The Right Rings Of The Chelate Are

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292 views

Which Of The Following Has Largest Number Of Isomers:

Modified 307 Year Ago

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307 Year Ago

Which Of The Following Has Largest Number Of Isomers:

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289 views

In Fe (Co)5, The Fe - C Bond Possess:

Modified 307 Year Ago

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307 Year Ago

In Fe (Co)5, The Fe - C Bond Possess:

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0 Answer
259 views

Number Of Ions Present In K4[Fe(CN)6]

Modified 237 Year Ago

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259
237 Year Ago

Number Of Ions Present In K4[Fe(CN)6]

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0 Answer
257 views

Among The Following Which Are Ambidentate Ligands

Modified 237 Year Ago

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237 Year Ago

Among The Following Which Are Ambidentate Ligands

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0 Answer
256 views

The Correct Order Of Magnetic Moment (spin Value In B.M.) Among Is:

Modified 307 Year Ago

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307 Year Ago

The Correct Order Of Magnetic Moment (spin Value In B.M.) Among Is:

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