The correct IUPAC name among the following is:

1. Tris(acetylacetonato)iron(III) chloride
2. Hexachloroplatinum(IV) tetraamminedicyanoplatinate(IV)
3. Amminebromochloromethylamineplatinum(II) 
4. cis-dichloro(ethylenediamine) platinum(II)

Subtopic:  Introduction, Classification and Nomenclature |
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Which of the following are bidentate monoanion ligands?

(a) Acetylacetonato

(b) Oxylato ion

(c) Dimethylglyoximato

Select the following answer using the codes given below :

(1) (a) only 

(2) (a) and (c) only

(3) (c) only

(4) (b) and (c) only

Subtopic:  Ligands |
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A complex cation is formed by Pt (in some oxidation state) with ligands (in proper number so that coordination number of Pt becomes six). Which of the following can be its correct IUPAC name?

(1) Diammineethylenediaminedithiocyanato-S-platinum (II)

(2) Diammineethylenediaminedithiocyanato-S-platinate (IV) ion.

(3) Diammineethylenediaminedithiocyanato-S-platinum (IV) ion.

(4) Diamminebis (ethylenediamine) dithiocyanato-S-platinum (IV) ion.

Subtopic:  Introduction, Classification and Nomenclature |
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Incorrect match among the following is:

IUPAC name of coordination
compound
 Representation 
1. Sodium
(ethylenediamine
tetraacetato)
chromate (II)
\(\small{\mathrm{Na}_2\left[\mathrm{Cr}\left(\mathrm{CH}_3 \mathrm{COO}\right)_4(\mathrm{en})\right]}~~\)
2. Dichloridobis
(ethane-1, 2-diamine)
cobalt (III) ion
\(\small{\left[\mathrm{Co}(\mathrm{Cl})_2(\mathrm{en})_2\right]^{+}}\)
3. Tris
(ethane-1,2-diamine)
cobalt(III) 
sulphate
\(\small{\left[\mathrm{Co}\left(\mathrm{H}_2 \mathrm{NCH}_2 \mathrm{CH}_2 \mathrm{NH}_2\right)_3\right]_2\left(\mathrm{SO}_4\right)_3}\)
4. Ammineaquadi
bromidocopper(II)
\(\small{\left[\mathrm{Cu}\left(\mathrm{NH}_3\right)\left(\mathrm{H}_2 \mathrm{O}\right) \mathrm{Br}_2\right]}\)
Subtopic:  Introduction, Classification and Nomenclature |
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The EAN of metal atoms in FeCO2NO+2 and (Co)2(CO)8 respectively are :

1. 34, 35 

2. 34, 36

3. 36, 36                                       

4. 36, 35

Subtopic:  E.A.N |
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Match the complex ions listed in column-I with the characteristics listed in column-II using the codes given below.

Column-I                                                        Column-II

(a) NiNH362+                                     (p) d2sp3 and diamagnetic

(b) CrNH363+                                     (q) sp3d2 and diamagnetic

(c) CoNH363+                                     (r) sp3d2 and two unpaired electrons.

(d) ZnNH362+                                     (s) d2sp3 and three unpaired electrons.

                 a   b   c   d
(1)            r    s   p   q
(2)            s   r   q    p
(3)            r   s   q    p
(4)            p  q   r    s

Subtopic:  VBT, CFT & their Limitations |
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Which of the following statements is correct?

(A) CrH2O62+ aq and CrCN64- aq are high spin and low spin complexes respectively but

     both have same number of unpaired electrons.

(B) VNH363+ is inner orbital complex and paramagnetic with two unpaired electrons.

(C) CoCN64- is outer orbital complex and paramagnetic with three unpaired electrons.

(D) MnNO3CO is square planar and diamagnetic.

 

Subtopic:  VBT, CFT & their Limitations |
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All the following complex ions are found to be paramagnetic

P : FeF63-;  Q : COF63-;  R : VH2O63+;  S : TiH2O63+

The correct order of their paramagnetic moment (spin only) is

(1) P>Q>R>S                               

(2) P<Q<R<S

(3) P=Q=R=S                               

(4) P>R>Q>S

Subtopic:  VBT, CFT & their Limitations |
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Among NiCl2PPh32, NiHDMG2 and NiCO4 complexes the hybridisation states of Ni atom are respectively.

(A) sp3, sp3, dsp2                                   

(B) sp3, dsp2, sp3

(C) dsp2, dsp2, sp3                               

(D) sp3, dsp2, dsp2

Subtopic:  VBT, CFT & their Limitations |
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Amongst Coox33-, CoF63- and CoNH363+ : 

1. Coox33- and CoF63- are paramagnetic and CoNH363+ is diamagnetic.

2. Coox33- and CoNH363+ are paramagnetic and CoF63- is diamagnetic.

3. Coox33- and CoNH363+ are diamagnetic and CoF63 is paramagnetic.

4. CoNH363+and CoF63- are paramagnetic and Coox33+ is diamagnetic.

Subtopic:  VBT, CFT & their Limitations |
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