Advertisements
Advertisements
प्रश्न
Amongst the following, the most stable complex is:
पर्याय
[Fe(H2O)6]3+
[Fe(NH3)6]3+
[Fe(C2O4)3]3−
[FeCl6]3−
Advertisements
उत्तर
[Fe(C2O4)3]3−
Explanation:
[Fe(C2O4)3]3− is the most stable complex because oxalate ion \[\ce{(C2O^{2-}_4)}\] is a bidentate ligand. Bidentate ligands form chelate rings with the metal ion, which increases the stability of the complex due to the chelate effect. The other ligands (H2O, NH3, Cl−) are monodentate ligands and form comparatively less stable complexes.
APPEARS IN
संबंधित प्रश्न
Which of the following compounds is used as a semipermeable membrane?
(a) Potassium ferrocyanide
(b) Potassium argentocyanide
(c) Sodium meta aluminate
(d) Copper ferrocyanide
Predict the co-ordination No. of cs+ ion if `r_(Cs)^+` = 1.69Å and `r_(Cl)^-` = 1.81Å.
How is Benzonitrile converted to Benzophenone?
Write applications of co-ordination compounds in medicine and electroplating.
Write IUPAC name of the following Complex [Cr(NH3)3Cl3]
Write structures of compounds A and B of the following reaction :
Which of the following complexes formed by \[\ce{Cu^2+}\] ions is most stable?
Match the coordination compounds given in Column I with the central metal atoms given in Column II and assign the correct code:
| Column I (Coordination Compound) | Column II (Central metal atom) |
| A. Chlorophyll | 1. rhodium |
| B. Blood pigment | 2. cobalt |
| C. Wilkinson catalyst | 3. calcium |
| D. Vitamin B12 | 4. iron |
| 5. magnesium |
Assertion: \[\ce{Cr(H2O)6]Cl2 and [Fe(H2O)6]Cl2}\] are reducing in nature.
Reason: Unpaired electrons are present in their d-orbitals.
The oxidation state of Fe in the brown ring complex [F3(H2O)5NO]SO4 is
The oxidation number d-arbitral occupation and co-ordination number of Cr in the complex cis [Cr(en)2Cl2]Cl are respectively.
According to IUPAC nomenclatures, sodium nitroprusside is named as
Which of the following ligands can exhibit linkage isomerism?
The one that will show optical activity is: (en = ethane 1, 2-diamine)
Does ionization isomer for the following compound exist? Justify your answer.
\[\ce{Hg[Co(SCN)4]}\]
What is meant by the chelate effect? Give an example.
Homoleptic complex from the following complex is ____.
