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Test: Nomenclature of coordination compounds - JEE MCQ


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20 Questions MCQ Test - Test: Nomenclature of coordination compounds

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Test: Nomenclature of coordination compounds - Question 1

Select the correct IUPAC name for .

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Dichloridobis (ethylenediamine)cobalt(III) chlorate
Test: Nomenclature of coordination compounds - Question 2

select the correct IUPAC name for the following:

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-Amido- -peroxidobis(tetraammine)dicobalt-(III) ion
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Test: Nomenclature of coordination compounds - Question 3

Select the correct IUPAC name for

Detailed Solution for Test: Nomenclature of coordination compounds - Question 3
The correct I.U.P.A.C name for :
is Allytricarbonyl ( - cyclopentadienyl) molybdenum (II).
The central atom is Mo in + oxidation state which is represented by the roman numerals II in the pranthesis.
3 carbonyl ligands, one allyl ligand and one cyclopentadienyl ligand is present.
represents that the cyclopnetadienyl ligand shares 5 electrons with metal.
Hence,option D is correct.
Test: Nomenclature of coordination compounds - Question 4
The correct IUPAC name of the complex:

is
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Dichloridodimethylglyoximatocobalt(II)
Test: Nomenclature of coordination compounds - Question 5
Coordination number and oxidation state of in are, respectively:
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As oxalate is a bidentate ligand, coordination number of is 6 .
Since the overall charge on the complex is 0 , the sum of oxidation states of all elements in it should be equal to 0
Let the oxidation number of be .
Therefore,
or,
Test: Nomenclature of coordination compounds - Question 6

What is not true about ?

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oxalate ion is bidentate due to two donor atom

Test: Nomenclature of coordination compounds - Question 7
Which of the following is not a complex salt
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Test: Nomenclature of coordination compounds - Question 8
Which is not - bonded complex ?
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Tetraethyl lead is not bonded complex. It is bonded organometallic compound
Test: Nomenclature of coordination compounds - Question 9

Red precipitate is obtained when ethanol solution of dimethylglyoxime is added to ammoniacal Ni(II). Which of the following statements is not true?

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Nickel ions are frequently detected by the formation of red precipitate of the complex of nickel dimethylglyoxime, when heated with dimethylglyoxime.

Test: Nomenclature of coordination compounds - Question 10

The octahedral complex of a metal ion with four monodentate ligands and absorb wavelengths in the region of red, green, yellow and blue, respectively. The increasing order of ligand strength of the four ligands is:

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For a given metal ion, weak field ligands create a complex with smaller , which will absorbs light of longer and thus lower frequency. Conservely, stronger field ligands create a larger , absorb light of shorter and thus higher i.e. higher energy.

So order of ligand strength is

Test: Nomenclature of coordination compounds - Question 11
Which one of the following coordination compounds is used to inhibit the growth of tumours?
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The design of metal-based anticancer drugs was initiated by cisplatin (cis-Pt(NH3)2Cl2), one of the leading agents in clinical use with a high cytotoxic effect upon a variety of tumour types, in particular against testicular, ovarian, head and neck, and bladder carcinomas, as well as lymphoma.
Test: Nomenclature of coordination compounds - Question 12

The EAN of iron in potassium ferricyanide is

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EAN of a central metal ion = (atomic no. of central atom) − oxidation state + no. of ligands × 2 = 26 − 3+  (6 × 2) = 23 + 12 = 35

Test: Nomenclature of coordination compounds - Question 13
AgCl is soluble in solution. The solubility is due to formation of
Detailed Solution for Test: Nomenclature of coordination compounds - Question 13
AgCl form soluble complex with which is
Test: Nomenclature of coordination compounds - Question 14
In which of the following coordinate compounds the central metal atom obeys the EAN rule.
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obeys the EAN rule.
Test: Nomenclature of coordination compounds - Question 15
Which of the following will exhibit maximum ionic conductivity?
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in solution furnishes
five ions and exhibits maximum ionic conductivity.
Test: Nomenclature of coordination compounds - Question 16
Which of the following complexes have a maximum number of unpaired electrons?
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Test: Nomenclature of coordination compounds - Question 17
The degeneracy of -orbitals is lost under
(I) Strong field ligand
(II) Weak field ligand
(III) Mixed field ligand
(IV) Chelated ligand field
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Degenerate -orbitals undergo splitting under ligand field created by strong, weak or mixed ligands.
Test: Nomenclature of coordination compounds - Question 18
The IUPAC name of the following complex is
Detailed Solution for Test: Nomenclature of coordination compounds - Question 18
The correct IUPAC name of complex compound [ is dibromidobis (ethylene diamine) cobalt (III) bromide.
Note Here is ethylene diamine which is a bidentate ligand.
Test: Nomenclature of coordination compounds - Question 19
Which of the following name formula combinations is not correct?
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The correct IUPAC Name of Pentacyanomangnate (III).
Test: Nomenclature of coordination compounds - Question 20
In , the number of covalent bonds is
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The number of ammonia molecules is 6 . Each ammonia molecule contains 3 covalent bonds between and . Therefore the number of covalent bonds is 18 .
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