Coordination Compounds

Among the species given below, the spin-only magnetic moment is highest for (Given: Atomic number of $\mathrm{Ti}=22, \mathrm{Mn}=25, \mathrm{Fe}=26$ and $\mathrm{Co}=27$ )

Given below are two statements:
Statement-I : $\left[\mathrm{Fe}(\mathrm{ox})_3\right]^{3-}$ is chiral.
Statement-II : trans $-\left[\mathrm{Cr}\left(\mathrm{H}_2 \mathrm{O}\right)_2(\mathrm{ox})_2\right]^{-}$is chiral.
(Given : $\mathrm{ox...

According to crystal field theory, the correct order of ligands with respect to their decreasing order of field strength is

A $1: 3$ electrolyte in an aqueous solution is

The complex which has facial and meridional isomers is
(Given : py = pyridine and en = $\mathrm{H}_2 \mathrm{~N}-\mathrm{CH}_2-\mathrm{CH}_2-\mathrm{NH}_2$ )

The formula of tetraammineaquachloridocobalt(III) chloride is

\(\text { Match List I with List II : }\)


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\(\text { Match List I with List II : }\)


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Which one of the following is an ambidentate ligand?

The correct order of the wavelength of light absorbed by the following complexes is,
A. $\left[\mathrm{Co}\left(\mathrm{NH}_3\right)_6\right]^{3+}$
B. $\left[\mathrm{Co}(\mathrm{CN})_6\right]^{3-}$
C. $\left[\mathrm{Cu}\left(\mathrm{H}_2 \m...

Which of the following are paramagnetic?
A. $\left[\mathrm{NiCl}_4\right]^{2-}$
B. $\mathrm{Ni}(\mathrm{CO})_4$
C. $\left[\mathrm{Ni}(\mathrm{CN})_4\right]^{2-}$
D. $\left[\mathrm{Ni}\left(\mathrm{H}_2 \mathrm{O}\right)_6\right]^{2+}$
E. $\...

Out of the following complex compounds, which of the compound will be having the minimum conductance solution?

\(\left[\mathrm{Mn}_2(\mathrm{CO})_{10}\right]\) and \(\left[\mathrm{Co}_2(\mathrm{CO})_8\right]\) structures have
A. Metal-Metal linkage
B. Terminal CO groups
C. Bridging CO groups
D. Metal in zero oxidation state
Choose the correct answer...

Which of the following is not an ambidentate ligand?

Ethylene diaminetetraacetate ion is a/an:

Given below are two statements :
Statement I: Both \([\mathrm{Co}(\mathrm{NH}_3)_6]^{3+}\) and \([\mathrm{CoF}_6]^{3-}\) complexes are octahedral but differ in their magnetic behaviour.
Statement II: \([\mathrm{Co}(\mathrm{NH}_3)_6]^{3+}\) ...

Given below are two statements :
Statement I : \([\mathrm{Co}(\mathrm{NH}_3)_6]^{3+}\) is a homoleptic complex whereas \([\mathrm{Co}(\mathrm{NH}_3)_4 \mathrm{Cl}_2]^{+}\) is a heteroleptic complex.
Statement II : Complex $$[\mathrm{Co}(\ma...

Match List I with List II.

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Type of isomerism exhibited by compounds
$$
\left[\mathrm{Cr}\left(\mathrm{H}_2 \mathrm{O}\right)_6 \mathrm{Cl}_3,\left[\mathrm{Cr}\left(\mathrm{H}_2 \mathrm{O}\right)_5 \mathrm{Cl}_2 \mathrm{Cl}_2 \cdot \mathrm{H}_2 \mathrm{O}\right.\right...

Which of the following forms a set of complex and a double salt, respectively?

Select the element (M) whose trihalides cannot be hydrolysed to produce an ion of the form [M(H\(_2\)O\(_6\)]\(^{3+}\)

Which complex compound is most stable?

Homoleptic complex from the following complexes is :

Given below are two statements : one is labelled as Assertion (A) and the other is labelled as Reason (R).
Assertion (A) : The metal carbon bond in metal carbonyls possesses both \(\sigma\) and \(\pi\) character.
Reason (R) : The ligand to ...

Match List-I with List-II :

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The order of energy absorbed which is responsible for the color of complexes
(A) [Ni(H2O)2(en)2]2+
(B) [Ni(H2O)4(en)]2+ and
(C) [Ni(en)3]2+
is

The IUPAC name of the complex -
[Ag(H2O)2][Ag(CN)2] is:

Match List-I with List-II :



List-I

List-II




(a)
\({[Fe{(CN)_6}]^{3 - }}\)
(i)
5.92 BM


(b)
\({[Fe{({H_2}O)_6}]^{3 + }}\)
(ii)
0 BM


(c)
\({[Fe{(CN)_6}]^{4 - }}\)...

Ethylene diaminetetraacetate (EDTA) ion is :

Which of the following is the correct order of increasing field strength of ligands to form coordination compounds?

Urea reacts with water to form A which will decompose to form B. B when passed through Cu2+ (aq), deep blue colour solution C is formed. What is the formula of C from the following?

The calculated spin only magnetic moment of Cr2+ ion is?

What is the correct electronic configuration of the central atom in K4[Fe(CN)6] based on crystal field theory?

Iron carbonyl, Fe(CO)5
is

The geometry and magnetic behaviour of the
complex [Ni(CO)4] are

The type of isomerism shown by the complex
[CoCl2(en)2] is

Pick out the correct statement with respect to [Mn(CN)6]3\(-\).

The correct order of the stoichiometries of AgCl formed when AgNO3 in excess is treated with the complexes : CoCl3.6NH3, CoCl3.5NH3, CoCl3.4NH3 respectively is

Correct increasing order for the wavelengths of absorption in the visible region for the complexes of Co3+ is

An example of a sigma bonded organometallic compound is

The correct increasing order of trans-effect of the following species is

Jahn-Teller effect is not observed in high spin complexes of

Which of the following has longest C\(-\)O bond length? (Free C\(-\)O bond length in CO is 1.128 \(\mathop A\limits^o\).)

Cobalt (III) chloride forms several octahedral complexes with ammonia. Which of the following will not give test for chloride ions with silver nitrate at 25oC?

Which of these statements about [Co(CN)6]3\(-\) is true?

The sum of coordination number and oxidation number of the metal M in the complex [M(en)2(C2O4)]Cl (where en is ethylenediamine) is

The hybridization involved in complex [Ni(CN)4]\(2-\) is (At. No. Ni = 28)

The name of complex ion, [Fe(CN)6]3\(-\) is

Number of possible isomers for the complex [Co(en)2Cl2]Cl will be (en = ethylenediamine)

Among the following complexes the one which shows zero crystal field stabilization energy (CFSE) is