# JEE Main & Advanced Chemistry Coordination Chemistry Question Bank

### done Complexes and complex stability

• A) ${{\left[ CdC{{l}_{4}} \right]}^{2-}}$

B) ${{\left[ CdB{{r}_{4}} \right]}^{2-}}$

C) ${{\left[ Cd{{I}_{4}} \right]}^{2-}}$

D) ${{\left[ Cd{{\left( CN \right)}_{4}} \right]}^{2-}}$

• A) ${{[Fe{{(OH)}_{3}}]}^{3-}}$

B) ${{[Fe{{(Cl)}_{6}}]}^{3-}}$

C) ${{[Fe{{(CN)}_{6}}]}^{3-}}$

D) ${{[Fe{{({{H}_{2}}O)}_{6}}]}^{3+}}$

• A) ${{K}_{3}}[Al{{({{C}_{2}}{{O}_{4}})}_{3}}]$

B) $[Pt{{(en)}_{2}}]C{{l}_{2}}$

C) $Ag{{(N{{H}_{3}})}_{2}}Cl$

D) ${{K}_{2}}(Ni(EDTA)]$

• A) Higher ionic radius of the metal ion

B) Higher charge/size ratio of the metal ion

C) Lower ionisation potential of the metal ion

D) Lower basicity of the ligand

• A) ${{K}_{3}}[Cu{{(CN)}_{4}}]$

B) $Cu(CN)$

C) $Cu{{(CN)}_{2}}$

D) ${{K}_{4}}[Cu{{(CN)}_{6}}]$

• A) $[Co{{(N{{H}_{3}})}_{5}}(N{{O}_{2}})]C{{l}_{2}}$

B) $[Co{{(N{{H}_{3}})}_{5}}Cl][Cl(N{{O}_{2}})]$

C) $[Co{{(N{{H}_{3}})}_{4}}(N{{o}_{2}})Cl]\,[(N{{H}_{3}})Cl]$

D) $[Co{{(N{{H}_{3}})}_{5}}][{{(N{{O}_{2}})}_{2}}C{{l}_{2}}]$

• A) ${{K}_{3}}Fe{{(CN)}_{6}}$

B) $KFe\left[ Fe{{\left( CN \right)}_{6}} \right]$

C) $FeS{{O}_{4}}.Fe{{(CN)}_{6}}$

D) $F{{e}_{4}}{{\left[ Fe{{(CN)}_{6}} \right]}_{3}}$

• A) Ferrous sulphate reacts with $FeC{{l}_{3}}$

B) Ferric sulphate reacts with ${{K}_{4}}\left[ Fe{{(CN)}_{6}} \right]$

C) Ferrous ammonium sulphate reacts with $FeC{{l}_{3}}$

D) Ammonium sulphate reacts with $FeC{{l}_{3}}$

• A) $PO_{4}^{3-}$

B) $C{{l}^{-}}$

C) $2C{{l}^{-}}$

D) $2{{K}^{+}}$

• A) Resorcinol

B) Dimethyl glyoxime [DMG]

C) Diphenyl benzidine

D) Potassium ferrocyanide

• A) $Ag$

B) $Ni$

C) $Cr$

D) $Zn$

• A) $A{{g}^{+}}$

B) ${{\left[ Ag{{\left( N{{H}_{3}} \right)}_{2}} \right]}^{+}}$

C) ${{\left[ Ag{{\left( N{{H}_{3}} \right)}_{4}} \right]}^{+}}$

D) ${{\left[ Ag{{\left( N{{H}_{3}} \right)}_{6}} \right]}^{+}}$

• A) $Na[Ag{{(CN)}_{2}}]$

B) $N{{a}_{3}}[Ag{{(CN)}_{4}}]$

C) $N{{a}_{5}}[Ag{{(CN)}_{6}}]$

D) $N{{a}_{2}}[Ag{{(CN)}_{2}}]$

• A) ${{\left[ Fe{{\left( CN \right)}_{6}} \right]}^{3-}}$

B) $F{{e}_{2}}{{\left( S{{O}_{4}} \right)}_{3}}$

C) ${{\left[ Fe{{\left( CN \right)}_{6}} \right]}^{4-}}$

D) $N{{H}_{4}}{{(S{{O}_{4}})}_{2}}.FeS{{O}_{4}}.6{{H}_{2}}O$

• A) $C{{d}^{2+}}$
B) $A{{l}^{3+}}$
C) $C{{u}^{2+}}$
D) $A{{g}^{+}}$