Which of the following isomerism, exhibited by [CrCl2(OH)2(NH3)2]?

(1)Ionization     

(2) Geometrical

(3) Hydrate       

(4) Linkage

Subtopic:  Isomerism in Coordination Compounds |
 79%
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How many geometrical isomers and stereoisomers are possible for [Pt(NO2)(NH3)(NH2OH)(Py)]+  and   [Pt(Br)(Cl)(I)(NO2)(NH3)(Py)]    respectively?

(a) 3 and 15                 (b)  3 and 30

(c) 4 and 15                  (d) 4 and 30 

Subtopic:  Isomerism in Coordination Compounds |
 50%
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 A compound that form two stereoisomer is -

(I) [Cr(NO3)3(NH3)3]     

(II) K3[Fe(C2O4)3]

(III) [CoCl2(en)2]+       

(IV) [CoBrCl(ox)2]3-

(1)I only     

(2) I and II   

(3) III and IV   

(4) All of these  

Subtopic:  Isomerism in Coordination Compounds |
From NCERT
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Three arrangements are shown for the complex [CoBr2(NH3)2(en)]. Which one is wrong statement?

1. I and II are geometrical isomers 

2. II and III are optically active isomers 

3. I and III are optically active isomers

4.  II and III are geometrical isomers

Subtopic:  VBT, CFT & their Limitations |
 61%
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A complex with the composition [MA3B]n± is found to have no geometrical isomers. The possible structures (s) of the complex is (Where A and B are monodentate ligands)

(1) Tetrahedral                   

(2) Square planar

(3) Both (a) and (b)             

(4) Cannot be predicted

Subtopic:  VBT, CFT & their Limitations |
 61%
From NCERT
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Complexes formed in the following methods are:

(I) Mond's process for purification of nickel

(II) Removal of unreacted AgBr from photographic plate

(III) Removal of lead poisoning from the body

Options are as follows: 

             I                                       II                                           III
(a) Ni(CO)4                            [Ag(CN)2]-                       [Pb(EDTA)]2-
(b) Ni(CO)4                            [Ag(S2O3)2]3-                 [Pb(EDTA)]2-
(c) Ni(CO)6                            [Ag(S2O3)]3-                   [Pb(EDTA)]4-
(d) Ni(CO)6                            [Ag(S2O3)]-                    [Pb(EDTA)]4-  

Subtopic:  Introduction, Classification and Nomenclature |
 65%
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The correct name for the complex ion [CoCl(ONO)(en)2]+ is:

1. chlorobis(ethylenediamine)nitrito-O-cobaltate(III) ion

2. chlorodiethyldiaminenitrito-O-cobalt(III) ion

3. chloronitrito-O-diethyldiamine cobaltate (III) ion

4. chlorobis (ethylenediamine)nitrito-O-cobalt (III) ion

Subtopic:  Introduction, Classification and Nomenclature |
 68%
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Which of the following ligand does not as π-acid ligand?

(a) N2           (b) CO              (c) C2H4                 (d) O22-

Subtopic:  Ligands |
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[Mn(CO)4NO] is diamagnetic because:

1. Mn metal is paramagnetic in free state

2. Mn is in +1 oxidation state in this complex

3. NO is present as positive ligand

4. All of the above

 

Subtopic:  VBT, CFT & their Limitations |
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Choose the correct option regarding the following complex compound which follows (F) and does not follow (NF) the Sidgwick EAN rule:

(I) [(Ph3P)2PdCl2PdCl2]                     (II) [NiBrCl(en)]

(III) Na4[Fe(CN)5NOS]                       (IV) Cr(CO)3(NO)2

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

(a)    NF   NF      NF       NF                 (b)    F       F        NF        F

(c)     NF   NF      F          F                  (d)   NF      NF      F          NF 

 

Subtopic:  E.A.N |
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