How many geometrical isomers are possible or $\left[{\mathrm{Pd}}^{2+}\right({\mathrm{NH}}_2-\mathrm{CH}\left({\mathrm{CH}}_3\right)-{\mathrm{CO}}_2^{-}{)}_2]$

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

Total number of stereisomers of $\left[\mathrm{Co}\right(\mathrm{acac}{)}_2\mathrm{BrCl}{]}^{⊝}$ are:

(1) 4         

(2) 3         

(3) 6           

(4) 2

Which of the following complex compound exhibits geometrical isomerism?

(1) $\left[\mathrm{Fe}\right(\mathrm{DMG}{)}_2$                         

(2) $\left[\mathrm{Be}\right(\mathrm{gly}{)}_2]$

(3) $\left[\mathrm{PdClBr}\right(\mathrm{gly}\left)\right]$                       

(4) $\left[\mathrm{Cd}\right({\mathrm{NH}}_3\left)\mathrm{Cl}\right(\mathrm{gly})$

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)]⁺

Which of the following compound shows optical isomerism?

(1) cis-$\left[{\mathrm{CrCl}}_3\right({\mathrm{NH}}_3{)}_3]$                         

(2) cis-$\left[\mathrm{Co}\right({\mathrm{NH}}_3{)}_4{\mathrm{Cl}}_2{]}^{+}$

(3) $\left[\mathrm{Co}\right(\mathrm{en}{)}_3{]}^{3+}$                                   

(4) trans-$\left[\mathrm{Co}\right(\mathrm{en}{)}_2{\mathrm{Cl}}_2{]}^{+}$

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

                     List-I                                                          List-II     

                (Ion involved)                                                 (agent)    

(i)               ${\mathrm{Ni}}^{2+}$                                                   (A) Sodium thiosulphate

(ii)              ${\mathrm{Ag}}^{+}$                                                    (B) Sodium nitroprusside

(iii)             ${\mathrm{Cu}}^{2+}$                                                  (C) Ammonia

(iv)             ${\mathrm{S}}^{2-}$                                                    (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 

The correct IUPAC name among the following is:

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

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.

Incorrect match among the following is: