Chemistry
Coordination Compounds
Previous Years Questions

LIST-I contains metal species and LIST-II contains their properties. .tg {border-collapse:collapse;border-spacing:0;} .tg td{border-color:black;bord...
The calculated spin only magnetic moments of [ Cr(NH3)6]3+ and [CuF6]3$$-$$ in BM, respectively, are(Atomic numbers of Cr and Cu are 24 and 29, respec...
Match each set of hybrid orbitals from LIST - A with complex(es) given in LIST - B .tg {border-collapse:collapse;border-spacing:0;border:none;border...
Among [Ni(CO)4], [NiCl4]2$$-$$, [Co(NH3)4)Cl2], Na3[CoF6], Na2O2 and CsO2, the total number of paramagnetic compound is...
Match each coordination compound in List I with an appropriate pair of characteristics from List II and select the correct answer using the code given...
Consider the following complex ions : P, Q and R. $$P = {[Fe{F_6}]^{3 - }}$$, $$Q = {[V{({H_2}O)_6}]^{2 + }}$$ and $$R = {[Fe{({H_2}O)_6}]^{2 + }}$$ T...
The pair(s) of coordination complexes/ions exhibiting the same kind of isomerism is(are)
$$NiC{l_2}{\{ P{({C_2}{H_5})_2}({C_6}{H_5})\} _2}$$ exhibits temperature-dependent magnetic behaviour (paramagnetic/diamagnetic). The coordination geo...
As per IUPAC nomenclature, the name of the complex $$[Co{({H_2}O)_4}{(N{H_3})_2}]C{l_3}$$ is
The ionisation isomer of $$\mathrm{[Cr(H_2O)_4Cl(NO_2)]Cl}$$ is

## MCQ (More than One Correct Answer)

The pair(s) of complexes wherein both exhibit tetrahedral geometry is(are)(Note : py = pyridine)Given : Atomic numbers of Fe, Co, Ni and Cu are 26, 27...
In an experiment, m grams of a compound X (gas/liquid/solid) taken in a container is loaded in a balance as shown in figure I below.In the presence of...
Choose the correct statement(s) among the following :
The correct option(s) regarding the complex $${\left[ {Co\left( {en} \right){{\left( {N{H_3}} \right)}_3}\left( {{H_2}O} \right)} \right]^{3 + }}\,\,... The correct statement(s) regarding the binary transition metal carbonyl compounds is(are) (Atomic numbers :$$Fe = 26,Ni = 28$$) Addition of excess aqueous ammonia to a pink colored aqueous solution of$$MC{l_2},6{H_2}O\left( X \right)$$and$$N{H_4}Cl$$gives an octahedral co... ## Numerical The total number of possible isomers for [Pt(NH3)4Cl2]Br2 is ______. Total number of$$cis\,N - Mn - Cl$$bond angles (that is$$Mn - N$$and$$Mn - Cl$$bonds in cis positions) present in a molecule of$$cis[Mn{(en)_2}...
The ammonia prepared by treating ammonium sulphate with calcium hydroxide is completely used by $$NiCl{}_2.6{H_2}O$$ to form a stable coordination co...
The sum of the number of lone pairs of electrons on each central atom in the following species is $${[TeB{r_6}]^{2 - }},{\left[ {Br{F_2}} \right]^ + ... The possible number of geometrical isomers for the complex [CoL2Cl2]-(L= H2NCH2CH2O-) is (are)... ... In the complex acetylbromidodicarbonylbis(triethylphosphine) iron(II), the number of Fe-C bond(s) is ___________. Among the complex ions, [Co(NH2-CH2-CH2-NH2)2Cl2]+, [CrCl2(C2O4)2]3$$-$$, [Fe(H2O)4)OH)2]+, [Fe(NH3)2(CN)4]$$-$$, [Co(NH2-CH2-CH2-NH2)2(NH3)Cl]2+ and ... If the freezing point of a 0.01 molal aqueous solution of a cobalt (III) chloride-ammonia complex(which behaves as a strong electrolyte) is – 0.0558oC... For the octahedral complexes of Fe3+ in SCN$$-$$(thiocyana-to-S) and in CN$$-$$ligand environments, the difference between the spin-only magnetic mo... EDTA4$$-$$is ethylenediaminetetraacetate ion. The total number of N$$-$$Co$$-$$O bond angles in [Co(EDTA)]1$$- complex ion is ________....
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