Total number of geometrical isomers  possible for complex [Mab(AB)2]n± are : 

(1) 5         

(2)  4       

(3)  3         

(4)  6

Subtopic:  Isomerism in Coordination Compounds |
Level 4: Below 35%
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Select the correct statement about the given square planar complex :

1.  It has no geometrical isomer

2.  It is optically active because square planar complexes do not have a plane of symmetry

3.  It is optically inactive because a square planar complex has a plane of symmetry

4.  It is optically active because it has a symmetric carbon

Subtopic:  Isomerism in Coordination Compounds |
Level 3: 35%-60%
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Select the correct code regarding total number of space isomers for the following compounds:

(I)[Ma3b2c]n±          (II) [M(AB)3]n±      (III) [Ma2b2c2]n±

                (I)         (II)       (III)                              (I)         (II)       (III)

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

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

Subtopic:  Isomerism in Coordination Compounds |
Level 3: 35%-60%
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How many geometrical isomers are possible or [Pd2+(NH2-CH(CH3)-CO2-)2]

(a) 2          (b)  3         (c)  4           (d)  6

Subtopic:  Isomerism in Coordination Compounds |
Level 3: 35%-60%
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Total number of stereisomers of [Co(acac)2BrCl] are:

(1) 4         

(2) 3         

(3) 6           

(4) 2

Subtopic:  Isomerism in Coordination Compounds |
 62%
Level 2: 60%+
Hints

Which of the following complex compound exhibits geometrical isomerism?

(1) [Fe(DMG)2                         

(2) [Be(gly)2]

(3) [PdClBr(gly)]                       

(4) [Cd(NH3)Cl(gly)

Subtopic:  Isomerism in Coordination Compounds |
 61%
Level 2: 60%+
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In which case the racemic mixture is obtained by mixing its mirror images (d & l form) in 1:1 molar ratio?

1. [Co(gly)3]                            

2. [Ni(DMG)2]

3. cis-[Cu(gly)2]                              

4. [Zn(en)(gly)]+

Subtopic:  Isomerism in Coordination Compounds |
Level 3: 35%-60%
Hints

Which of the following compound shows optical isomerism?

(1) cis-[CrCl3(NH3)3]                         

(2) cis-[Co(NH3)4Cl2]+

(3) [Co(en)3]3+                                   

(4) trans-[Co(en)2Cl2]+

Subtopic:  Isomerism in Coordination Compounds |
 69%
Level 2: 60%+
Hints

Match List-I with List-II and select the correct answer using the codes given below:

                     List-I                                                          List-II     

                (Ion involved)                                                 (agent)    

(i)               Ni2+                                                   (A) Sodium thiosulphate

(ii)              Ag+                                                    (B) Sodium nitroprusside

(iii)             Cu2+                                                  (C) Ammonia

(iv)             S2-                                                    (D) Dimethylglyoxime

       (i)      (ii)      (iii)       (iv)                              

(1)    C       A         D          B                     

(2)    D       C         A          B

(3)    D       C         B          A                     

(4)    D        A         C         B 

Subtopic:  Introduction, Classification and Nomenclature |
Level 3: 35%-60%
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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 |
Level 3: 35%-60%
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