NEET Practice Questions (MCQs) with Answers & Solutions

The ratio of cis and trans-isomers of the complex $[{\mathrm{Ma}}_2\mathrm{bcde}{]}^{\mathrm{n}\pm }$ is:

$\left[{\mathrm{PdCl}}_2\right({\mathrm{PMe}}_3{)}_2]$ is a diamagnetic complex of Pd(II). How many total isomers are possible of analogous paramagnetic complex of Ni(II)?

Complex compound(s) which is optical active and does not depend upon the orientation

of the ligands around metal cation :

(i) $\left[{\mathrm{CoCl}}_3\right({\mathrm{NH}}_3{)}_3]$                      (ii) $\left[\mathrm{Co}\right(\mathrm{en}{)}_3{\mathrm{Cl}}_3$

(iii)$\left[\mathrm{Co}\right({\mathrm{C}}_2{\mathrm{O}}_4{)}_2({\mathrm{NH}}_3{)}^{-}$                (iv) $\left[{\mathrm{CrCl}}_2\right({\mathrm{NH}}_3{)}_{2}9\left(\mathrm{en}\right){]}^{+}$

Choose the correct code regarding, possible number of geometrical isomers exhibited by following complexes:

(I) $\left[{\mathrm{CrCl}}_2\right({\mathrm{NO}}_2{)}_2({\mathrm{NH}}_3{)}_2{]}^{-}$                         (II) $\left[\mathrm{Co}\right({\mathrm{NO}}_2{)}_3\left({\mathrm{NH}}_3{)}_3\right]$

(III)  $\left[\mathrm{PtCl}\right({\mathrm{NO}}_2\left({\mathrm{NH}}_3\right)\left(\mathrm{py}\right)]$                        (IV) $\left[\mathrm{PtBrCl}\right(\mathrm{en}\left)\right]$

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

How many geometrical isomers are possible for complex $\left[\mathrm{Mab}\right(\mathrm{AB}{)}_2{]}^{\mathrm{n}\pm }$?

$\left[\mathrm{CoCl}\right({\mathrm{NH}}_3{)}_4{]}^{+}+{\mathrm{Cl}}^{-}\stackrel{}{\to }\left[{\mathrm{CoCl}}_3\right({\mathrm{NH}}_3{)}_3]+{\mathrm{NH}}_3$ . If in this reaction two isomers of the product are obtained , which is true for the initial (reactant) complex :

Select the correct code regarding total number of space isomers for the following compounds:

(I)$[{\mathrm{Ma}}_3{\mathrm{b}}_2\mathrm{c}{]}^{\mathrm{n}\pm }$          (II) $\left[\mathrm{M}\right(\mathrm{AB}{)}_3{]}^{\mathrm{n}\pm }$      (III) $[{\mathrm{Ma}}_2{\mathrm{b}}_2{\mathrm{c}}_2{]}^{\mathrm{n}\pm }$

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

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

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

Which of the following complex compound exhibits geometrical isomerism?