List of top Chemistry Questions on Coordination Compounds

Calculate the potential for half-cell containing 0.01 M K\(_2\)Cr\(_2\)O\(_7\)(aq), 0.01 M Cr\(^{3+}\)(aq), and 1.0 x 10\(^{-4}\) M H\(^+\)(aq).
Permanganate titrations cannot be performed satisfactorily in presence of HCl. The reason is
The number of non-ionizable valences of Co$^{3+}$ and Pt$^{4+}$ ions in the complexes CoCl$_3\cdot5$NH$_3$ and PtCl$_4\cdot5$NH$_3$ is respectively
Consider the following statements
Statement I: At room temperature H$_2$O is a liquid while H$_2$S is a gas
Statement II: H$_2$O is neutral while H$_2$S is acidic.
The correct answer is
Change in oxidation state of sulphur during oxidation of thiosulphate ion in neutral/alkaline solution by KMnO$_4$ is:
IUPAC name of [Co(NH$_3$)$_4$(H$_2$O)Cl]Cl$_2$ is:
Among noble gases, the most abundant one in atmosphere is:
Explain valence bond theory in coordination compounds.
Arrange the following complexes in the increasing order of their spin only magnetic moment (in B.M)
I. \([Fe(CN)₆]⁴⁻\)
II. \([MnCl₄]²⁻\)
III. \([Mn(CN)₆]³⁻\)
IV. \([Cr(NH₃)₆]³⁺\)
Write the formula to calculate EAN. Explain formation of [CO(NH\(_3\))\(_6\)]\(^{3+}\) complex ion with respect to : (i) Type of hybridisation (ii) Magnetic property
Explain ionization isomers with suitable example in complexes.
Write the number of donor atoms present in EDTA, during formation of complex.
When excess of AgNO\(_3\) is added to a complex, one mole of AgCl is precipitated. The formula of complex is _______.
Write the IUPAC names of the following coordinate compounds:
(i) [CrCl$_2$(en)]Cl
(ii) Cs[FeCl$_4$]
(iii) K$_3$[Co(C$_2$O$_4$)$_3$]
(iv) [CoCl$_3$(NH$_3$)$_3$]
Explain unidentate and bidentate ligands giving examples.
Which of the following ions does not form coordination compound?
Write IUPAC names of the following:
(i) K$_2$[HgI$_4$]
(ii) [Cu(NH$_3$)$_4$]SO$_4$
(iii) K$_3$[Al(C$_2$O$_4$)$_3$]
(iv) [Cr(CO)$_6$]
Cu(OH)$_2$ is soluble in NH$_4$OH solution but not in NaOH solution. Why?
The value of $x$ in the complex ion [Ni(CN)$_4$]$^x$ is –
Write IUPAC names of the following:
(i) K$_3$[AlF$_6$]
(ii) [Fe(H$_2$O)$_6$]Cl$_2$
(iii) [Co(NH$_3$)$_5$Cl]SO$_4$
(iv) K$_3$[Fe(CN)$_6$]
Prove with example that [Co(NH$_3$)$_5$Cl]SO$_4$ and [Co(NH$_3$)$_5$SO$_4$]Cl are ionisation isomers.
Total how many ions are there in [Co(NH$_3$)$_5$Cl]Cl$_2$ solution?
Write the formula of the following coordination compounds:
(i) Hexa aqua chromium (III) chloride
(ii) Dichlorido diammin e platinum (II)
(iii) Hexa ammine platinum (IV) chloride
(iv) Sodium penta cyano nitrosyl ferrate (II)
The co-ordination number of Cu in [Cu(CN)$_4$]$^{3-$ ion is:}
The colour of dilute solutions of [Fe(CN)$_6$]$^{4-$ and [Fe(H$_2$O)$_6$]$^{2+}$ are different. Explain.}