Coordination Compounds · Chemistry · NEET

Ethylene diaminetetraacetate ion is a/an:

Which of the following is not an ambidentate ligand?

$$\left[\mathrm{Mn}_2(\mathrm{CO})_{10}\right]$$ and $$\left[\mathrm{Co}_2(\mathrm{CO})_8\right]$$ structures have A. Metal-Metal linkage B. Terminal ...

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

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...

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

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

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 ...

Homoleptic complex from the following complexes is :

Which complex compound is most stable?

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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 me...

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

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...

Ethylene diaminetetraacetate (EDTA) ion is :

Match List-I with List-II : List-I List-II (a) $${[Fe{(CN)_6}]^{3 - }}$$ (i) 5.92 BM (b) $...

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

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 f...

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

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

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

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

Iron carbonyl, Fe(CO)5 is

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

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

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 $$\mathop A\limits^o $$.)

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

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

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

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

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

Which of the following complexes is used to be as an anticancer agent?

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

Nitrogen detection in an organic compound is carried out by Lassaigne's test. The blue colour formed corresponds to which of the following formulae?

Which among the following is a paramagnetic complex?

The correct IUPAC name for [CrF2(en)2]Cl is

In a particular isomer of [Co(NH3)4Cl2]o, the Cl$$-$$Co$$-$$Cl angle is 90o, this isomer is known as ...

The anion of acetylacetone (acac) forms Co (acac)3 chelate with Co3+. The rings of the chelate are

Which is diamagnetic?

Crystal field splitting energy for high spin d4 octahedral complex is

A magnetic moment at 1.73 BM will be shown by one among of the following

An excess of AgNO3 is added to 100 mL of a 0.01 M solution of dichlorotetraaquachromium (III) chloride. The number of moles of AgCl precipitated wou...

Red precipitate is obtained when ethanol solution of dimethylglyoxime is added to ammoniacal Ni(II). Which of the following statements is not true? ...

Low spin complex of d6-cation in an octahedral field will have the following energy

Which one of the following is an outer orbital complex and exhibits paramagnetic behaviour?

Which of the following complex compounds will exhibit highest paramagnetic behaviour? (At. No. Ti = 22, Cr = 24, Co = 27, Zn = 30)

Which of the following carbonyls will have the strongest C–O bond ?

The complex, [Pt(Py)(NH3)BrCl] will have how many geometrical isomers ?

Which of the following complex compounds will exhibit highest paramagnetic behaviour?

Which of the following carbonyls will have the strongest C $$-$$ O bond?

Of the following complex ions, which is diamagnetic in nature?

The complexes [Co(NH3)6] [Cr(CN)6] and [Cr(NH3)6] [Co(CN)6] are the examples of which type of isomerism? ...

The d-electron configurations of Cr2+, Mn2+, Fe2+ and Co2+ are d4, d5, d6 and d7 respectively. Which one of the following will exhibit minimum paramag...

The existance of two different coloured complexes with the composition of [Co(NH3)4Cl2]+ is due to

Which of the following complex ions is not expected to absorb visible light?

Crystal field stabilization energy for high spin d4 octahedral complex is

Which one of the following complexes is not expected to exhibit isomerism?

Which of the following complex ions is expected to absorb visible light? (At. nos. Zn = 30, Sc = 21, Ti = 22, Cr = 24)

Out of TiF62$$-$$, CoF63$$-$$, Cu2Cl2 and NiCl42$$-$$ (Z of Ti = 22, Co = 27, Cu = 29, Ni = 28) the colourless species are...

Which of the following does not show optical isomerism? (en = ethylenediamine)

In which of the following coordination entities the magnitude of $$\Delta $$o (CFSE in octahedral field) will be maximum? (At. No. Co = 27)...

Which of the following complexes exhibits the highest paramagnetic behaviour? where gly = glycine, en = ethylenediamine and bpy = bipyridyl moities....

Which of the following will give a pair of enantiomorphs? (en = NH2CH2CH2NH2)

The d electron configurations of Cr2+, Mn2+, Fe2+ and Ni2+ are 3d4, 3d5, 3d6 and 3d8 respectively. Which one of the following aqua complexes will exhi...

[Co(NH3)4(NO2)2]Cl exhibits

[Cr(H2O)6]Cl3 (At. no. of Cr = 24) has a magnetic momen of 3.83 B.M. The correct distribution of 3d electrons in the chromium of the complex is ...

Which one of the following is expected to exhibit optical isomerism? (en = ethylenediamine)

Which one of the following is an inner orbital complex as well as diamagnetic in behaviour?

Among [Ni(CO)4], [Ni(CN)4]2$$-$$, [NiCl4]2$$-$$ species, the hybridisation states at the Ni atom are, respectively [Atomic number of Ni = 28]...

Which of the following is considered to be an anticancer species?

Which of the following coordination compounds would exhibit optical isomerism?

In an octahedral structure, the pair of $$d$$ orbitals involved in d2sp3 hybridisation is

Which of the following does not have a metal carbon bond?

CN$$-$$ is a strong field ligand. This is due to the fact that

Considering H2O as a weak field ligand, the number of unpaired electrons in [Mn(H2O)6]2+ will be (atomic number of Mn = 25)...

Among the following which is not the $$\pi $$-bonded organometallic compound?

The number of unpaired electrons in the complex ion [CoF6]3$$-$$ is (Atomic no. : Co = 27)

In the silver plating of copper, K[Ag(CN)2] is used instead of AgNO3. The reason is

CuSO4 when reacts with KCN forms CuCN, which is insoluble in water. It is soluble in excess of KCN, due to formation of the following complex...

The hypothetical complex chloro diaquatriammine cobalt(III) chloride can be represented as

Atomic number of Cr and Fe are respectively 24 and 26, which of the following is paramagetic with the spin of electron?

Which of the following will give maximum number of isomers?

Coordination number of Ni in [Ni(C2O4)3]4$$-$$ is

Which statement is incorrect?

Which of the following organometallic compounds is $$\sigma $$ and $$\pi $$ bonded?

Which of the following will exhibit maximum ionic conductivity?

In quantitative analysis of second group in laboratory, H2S gas is passed in acidic medium for precipitation. When Cu2+ react with KCN, then for produ...

Shape of Fe(CO)5 is

Which complex compound will give four isomers?