Coordination Compounds · Chemistry · NEET
Start PracticeMCQ (Single Correct Answer)
NEET 2024 (Re-Examination)
Ethylene diaminetetraacetate ion is a/an:
NEET 2024 (Re-Examination)
Which of the following is not an ambidentate ligand?
NEET 2024 (Re-Examination)
$$\left[\mathrm{Mn}_2(\mathrm{CO})_{10}\right]$$ and $$\left[\mathrm{Co}_2(\mathrm{CO})_8\right]$$ structures have
A. Metal-Metal linkage
B. Terminal ...
NEET 2024
Match List I with List II.
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NEET 2024
Given below are two statements :
Statement I: Both $$[\mathrm{Co}(\mathrm{NH}_3)_6]^{3+}$$ and $$[\mathrm{CoF}_6]^{3-}$$ complexes are octahedral but ...
NEET 2024
Given below are two statements :
Statement I : $$[\mathrm{Co}(\mathrm{NH}_3)_6]^{3+}$$ is a homoleptic complex whereas $$[\mathrm{Co}(\mathrm{NH}_3)_4...
NEET 2023 Manipur
Select the element (M) whose trihalides cannot be hydrolysed to produce an ion of the form [M(H$$_2$$O$$_6$$]$$^{3+}$$
NEET 2023 Manipur
Which of the following forms a set of complex and a double salt, respectively?
NEET 2023 Manipur
Type of isomerism exhibited by compounds
$$
\left[\mathrm{Cr}\left(\mathrm{H}_2 \mathrm{O}\right)_6 \mathrm{Cl}_3,\left[\mathrm{Cr}\left(\mathrm{H}_2 ...
NEET 2023
Homoleptic complex from the following complexes is :
NEET 2023
Which complex compound is most stable?
NEET 2022 Phase 2
Match List-I with List-II :
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NEET 2022 Phase 2
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...
NEET 2022 Phase 1
The IUPAC name of the complex -
[Ag(H2O)2][Ag(CN)2] is:
NEET 2022 Phase 1
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...
NEET 2021
Ethylene diaminetetraacetate (EDTA) ion is :
NEET 2021
Match List-I with List-II :
List-I
List-II
(a)
$${[Fe{(CN)_6}]^{3 - }}$$
(i)
5.92 BM
(b)
$...
NEET 2020 Phase 1
The calculated spin only magnetic moment of Cr2+ ion is?
NEET 2020 Phase 1
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...
NEET 2020 Phase 1
Which of the following is the correct order of increasing field strength of ligands to form coordination compounds?
NEET 2019
What is the correct electronic configuration of the central atom in K4[Fe(CN)6] based on crystal field theory?
NEET 2018
The type of isomerism shown by the complex
[CoCl2(en)2] is
NEET 2018
The geometry and magnetic behaviour of the
complex [Ni(CO)4] are
NEET 2018
Iron carbonyl, Fe(CO)5
is
NEET 2017
An example of a sigma bonded organometallic compound is
NEET 2017
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...
NEET 2017
Correct increasing order for the wavelengths of absorption in the visible region for the complexes of Co3+ is
NEET 2017
Pick out the correct statement with respect to [Mn(CN)6]3$$-$$.
NEET 2016 Phase 2
Jahn-Teller effect is not observed in high spin complexes of
NEET 2016 Phase 2
The correct increasing order of trans-effect of the following species is
NEET 2016 Phase 1
Which of the following has longest C$$-$$O bond length? (Free C$$-$$O bond length in CO is 1.128 $$\mathop A\limits^o $$.)
AIPMT 2015
The name of complex ion, [Fe(CN)6]3$$-$$ is
AIPMT 2015
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...
AIPMT 2015
The hybridization involved in complex [Ni(CN)4]$$2-$$ is (At. No. Ni = 28)
AIPMT 2015
Number of possible isomers for the complex [Co(en)2Cl2]Cl will be (en = ethylenediamine)
AIPMT 2015 Cancelled Paper
Cobalt (III) chloride forms several octahedral complexes with ammonia. Which of the following will not give test for chloride ions with silver nitrate...
AIPMT 2015 Cancelled Paper
Which of these statements about [Co(CN)6]3$$-$$ is true?
AIPMT 2014
Among the following complexes the one which shows zero crystal field stabilization energy (CFSE) is
AIPMT 2014
Which of the following complexes is used to be as an anticancer agent?
NEET 2013 (Karnataka)
Nitrogen detection in an organic compound is carried out by Lassaigne's test. The blue colour formed corresponds to which of the following formulae?
NEET 2013 (Karnataka)
In a particular isomer of [Co(NH3)4Cl2]o, the Cl$$-$$Co$$-$$Cl angle is 90o, this isomer is known as ...
NEET 2013 (Karnataka)
Crystal field splitting energy for high spin d4 octahedral complex is
NEET 2013 (Karnataka)
The anion of acetylacetone (acac) forms Co (acac)3 chelate with Co3+. The rings of the chelate are
NEET 2013 (Karnataka)
Which is diamagnetic?
NEET 2013 (Karnataka)
Which among the following is a paramagnetic complex?
NEET 2013 (Karnataka)
The correct IUPAC name for [CrF2(en)2]Cl is
NEET 2013
A magnetic moment at 1.73 BM will be shown by one among of the following
NEET 2013
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...
AIPMT 2012 Mains
Low spin complex of d6-cation in an octahedral field will have the following energy
AIPMT 2012 Mains
Red precipitate is obtained when ethanol solution of dimethylglyoxime is added to ammoniacal Ni(II). Which of the following statements is not true?
...
AIPMT 2012 Prelims
Which one of the following is an outer orbital complex and exhibits paramagnetic behaviour?
AIPMT 2011 Mains
Which of the following carbonyls will have the
strongest C–O bond ?
AIPMT 2011 Mains
Which of the following complex compounds will
exhibit highest paramagnetic behaviour?
(At. No. Ti = 22, Cr = 24, Co = 27, Zn = 30)
AIPMT 2011 Prelims
The complex, [Pt(Py)(NH3)BrCl] will have how many geometrical isomers ?
AIPMT 2011 Prelims
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...
AIPMT 2011 Prelims
The complexes [Co(NH3)6] [Cr(CN)6] and [Cr(NH3)6] [Co(CN)6] are the examples of which type of isomerism? ...
AIPMT 2011 Prelims
Of the following complex ions, which is diamagnetic in nature?
AIPMT 2011 Prelims
Which of the following carbonyls will have the strongest C $$-$$ O bond?
AIPMT 2011 Prelims
Which of the following complex compounds will exhibit highest paramagnetic behaviour?
AIPMT 2010 Prelims
The existance of two different coloured complexes with the composition of [Co(NH3)4Cl2]+ is due to
AIPMT 2010 Prelims
Which of the following complex ions is not expected to absorb visible light?
AIPMT 2010 Prelims
Crystal field stabilization energy for high spin d4 octahedral complex is
AIPMT 2010 Prelims
Which one of the following complexes is not expected to exhibit isomerism?
AIPMT 2009
Which of the following does not show optical isomerism?
(en = ethylenediamine)
AIPMT 2009
Out of TiF62$$-$$, CoF63$$-$$, Cu2Cl2 and NiCl42$$-$$ (Z of Ti = 22, Co = 27, Cu = 29, Ni = 28) the colourless species are...
AIPMT 2009
Which of the following complex ions is expected to absorb visible light?
(At. nos. Zn = 30, Sc = 21, Ti = 22, Cr = 24)
AIPMT 2008
Which of the following complexes exhibits the highest paramagnetic behaviour?
where gly = glycine, en = ethylenediamine and bpy = bipyridyl moities....
AIPMT 2008
In which of the following coordination entities the magnitude of $$\Delta $$o (CFSE in octahedral field) will be maximum?
(At. No. Co = 27)...
AIPMT 2007
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...
AIPMT 2007
Which of the following will give a pair of enantiomorphs?
(en = NH2CH2CH2NH2)
AIPMT 2006
[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 ...
AIPMT 2006
[Co(NH3)4(NO2)2]Cl exhibits
AIPMT 2005
Which one of the following is an inner orbital complex as well as diamagnetic in behaviour?
AIPMT 2005
Which one of the following is expected to exhibit optical isomerism? (en = ethylenediamine)
AIPMT 2004
Which of the following coordination compounds would exhibit optical isomerism?
AIPMT 2004
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]...
AIPMT 2004
Considering H2O as a weak field ligand, the number of unpaired electrons in [Mn(H2O)6]2+ will be (atomic number of Mn = 25)...
AIPMT 2004
CN$$-$$ is a strong field ligand. This is due to the fact that
AIPMT 2004
Which of the following does not have a metal carbon bond?
AIPMT 2004
In an octahedral structure, the pair of $$d$$ orbitals involved in d2sp3 hybridisation is
AIPMT 2004
Which of the following is considered to be an anticancer species?
AIPMT 2003
The number of unpaired electrons in the complex ion [CoF6]3$$-$$ is
(Atomic no. : Co = 27)
AIPMT 2003
Among the following which is not the $$\pi $$-bonded organometallic compound?
AIPMT 2002
Atomic number of Cr and Fe are respectively 24 and 26, which of the following is paramagetic with the spin of electron?
AIPMT 2002
The hypothetical complex chloro diaquatriammine cobalt(III) chloride can be represented as
AIPMT 2002
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...
AIPMT 2002
In the silver plating of copper, K[Ag(CN)2] is used instead of AgNO3. The reason is
AIPMT 2001
Coordination number of Ni in [Ni(C2O4)3]4$$-$$ is
AIPMT 2001
Which of the following will give maximum number of isomers?
AIPMT 2001
Which statement is incorrect?
AIPMT 2001
Which of the following organometallic compounds is $$\sigma $$ and $$\pi $$ bonded?
AIPMT 2001
Which of the following will exhibit maximum ionic conductivity?
AIPMT 2000
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...
AIPMT 2000
Shape of Fe(CO)5 is
AIPMT 2000
Which complex compound will give four isomers?