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Coordination Compounds

Chemistry

Previous Years Questions

MCQ (Single Correct Answer)

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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+ ...
NEET 2022
The IUPAC name of the complex - [Ag(H2O)2][Ag(CN)2] is:
NEET 2022
Match List-I with List-II : List-I List-II (a) $${[Fe{(CN)_6}]^{3 - }}$$ (i) ...
NEET 2021
Ethylene diaminetetraacetate (EDTA) ion is :
NEET 2021
Which of the following is the correct order of increasing field strength of ligands to form coordination compounds?
NEET 2020 Phase 1
The calculated spin only magnetic moment of Cr2+ ion is?
NEET 2020 Phase 1
What is the correct electronic configuration of the central atom in K4[Fe(CN)6] based on crystal field theory?...
NEET 2019
Iron carbonyl, Fe(CO)5 is
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
Pick out the correct statement with respect to [Mn(CN)6]3$$-$$.
NEET 2017
Correct increasing order for the wavelengths of absorption in the visible region for the complexes of Co3+ is
NEET 2017
The correct order of the stoichiometries of AgCl formed when AgNO3 in excess is treated with the complexes : CoCl3.6NH3...
NEET 2017
An example of a sigma bonded organometallic compound is
NEET 2017
Which of the following has longest C$$-$$O bond length? (Free C$$-$$O bond length in CO is 1.128 $$\mathop A\limits^o $...
NEET 2016 Phase 1
The correct increasing order of trans-effect of the following species is
NEET 2016 Phase 2
Jahn-Teller effect is not observed in high spin complexes of
NEET 2016 Phase 2
Which of these statements about [Co(CN)6]3$$-$$ is true?
AIPMT 2015 Cancelled Paper
Cobalt (III) chloride forms several octahedral complexes with ammonia. Which of the following will not give test for chl...
AIPMT 2015 Cancelled Paper
Number of possible isomers for the complex [Co(en)2Cl2]Cl will be (en = ethylenediamine)
AIPMT 2015
The name of complex ion, [Fe(CN)6]3$$-$$ is
AIPMT 2015
The hybridization involved in complex [Ni(CN)4]$$2-$$ is (At. No. Ni = 28)
AIPMT 2015
The sum of coordination number and oxidation number of the metal M in the complex [M(en)2(C2O4)]Cl (where en is ethylene...
AIPMT 2015
Which of the following complexes is used to be as an anticancer agent?
AIPMT 2014
Among the following complexes the one which shows zero crystal field stabilization energy (CFSE) is
AIPMT 2014
Which is diamagnetic?
NEET 2013 (Karnataka)
Which among the following is a paramagnetic complex?
NEET 2013 (Karnataka)
The correct IUPAC name for [CrF2(en)2]Cl is
NEET 2013 (Karnataka)
Crystal field splitting energy for high spin d4 octahedral complex is
NEET 2013 (Karnataka)
The anion of acetylacetone (acac) forms Co (acac)3 chelate with Co3+. The rings of the chelate are
NEET 2013 (Karnataka)
In a particular isomer of [Co(NH3)4Cl2]o, the Cl$$-$$Co$$-$$Cl angle is 90o, this isomer is known as ...
NEET 2013 (Karnataka)
An excess of AgNO3 is added to 100 mL of a 0.01 M solution of dichlorotetraaquachromium (III) chloride. The number of ...
NEET 2013
A magnetic moment at 1.73 BM will be shown by one among of the following
NEET 2013
Red precipitate is obtained when ethanol solution of dimethylglyoxime is added to ammoniacal Ni(II). Which of the follow...
AIPMT 2012 Mains
Which one of the following is an outer orbital complex and exhibits paramagnetic behaviour?
AIPMT 2012 Prelims
Low spin complex of d6-cation in an octahedral field will have the following energy
AIPMT 2012 Mains
Which of the following complex compounds will exhibit highest paramagnetic behaviour? (At. No. Ti = 22, Cr = 24, Co = 2...
AIPMT 2011 Mains
Which of the following carbonyls will have the strongest C–O bond ?
AIPMT 2011 Mains
Which of the following complex compounds will exhibit highest paramagnetic behaviour?
AIPMT 2011 Prelims
The complexes [Co(NH3)6] [Cr(CN)6] and [Cr(NH3)6] [Co(CN)6] are the examples of which type of isomerism? ...
AIPMT 2011 Prelims
Which of the following carbonyls will have the strongest C $$-$$ O bond?
AIPMT 2011 Prelims
The complex, [Pt(Py)(NH3)BrCl] will have how many geometrical isomers ?
AIPMT 2011 Prelims
Of the following complex ions, which is diamagnetic in nature?
AIPMT 2011 Prelims
The d-electron configurations of Cr2+, Mn2+, Fe2+ and Co2+ are d4, d5, d6 and d7 respectively. Which one of the followin...
AIPMT 2011 Prelims
Which one of the following complexes is not expected to exhibit isomerism?
AIPMT 2010 Prelims
Which of the following complex ions is not expected to absorb visible light?
AIPMT 2010 Prelims
Crystal field stabilization energy for high spin d4 octahedral complex is
AIPMT 2010 Prelims
The existance of two different coloured complexes with the composition of [Co(NH3)4Cl2]+ is due to ...
AIPMT 2010 Prelims
Out of TiF62$$-$$, CoF63$$-$$, Cu2Cl2 and NiCl42$$-$$ (Z of Ti = 22, Co = 27, Cu = 29, Ni = 28) the colourless species ...
AIPMT 2009
Which of the following complex ions is expected to absorb visible light? (At. nos. Zn = 30, Sc = 21, Ti = 22, Cr = 24)...
AIPMT 2009
Which of the following does not show optical isomerism? (en = ethylenediamine)
AIPMT 2009
In which of the following coordination entities the magnitude of $$\Delta $$o (CFSE in octahedral field) will be maximum...
AIPMT 2008
Which of the following complexes exhibits the highest paramagnetic behaviour? where gly = glycine, en = ethylenediamin...
AIPMT 2008
The d electron configurations of Cr2+, Mn2+, Fe2+ and Ni2+ are 3d4, 3d5, 3d6 and 3d8 respectively. Which one of the foll...
AIPMT 2007
Which of the following will give a pair of enantiomorphs? (en = NH2CH2CH2NH2)...
AIPMT 2007
[Co(NH3)4(NO2)2]Cl exhibits
AIPMT 2006
[Cr(H2O)6]Cl3 (At. no. of Cr = 24) has a magnetic momen of 3.83 B.M. The correct distribution of 3d electrons in the ch...
AIPMT 2006
Which one of the following is expected to exhibit optical isomerism? (en = ethylenediamine)
AIPMT 2005
Which one of the following is an inner orbital complex as well as diamagnetic in behaviour?
AIPMT 2005
Which of the following is considered to be an anticancer species?
AIPMT 2004
Which of the following does not have a metal carbon bond?
AIPMT 2004
In an octahedral structure, the pair of $$d$$ orbitals involved in d2sp3 hybridisation is
AIPMT 2004
CN$$-$$ is a strong field ligand. This is due to the fact that
AIPMT 2004
Among [Ni(CO)4], [Ni(CN)4]2$$-$$, [NiCl4]2$$-$$ species, the hybridisation states at the Ni atom are, respectively [Atom...
AIPMT 2004
Which of the following coordination compounds would exhibit optical isomerism?
AIPMT 2004
Considering H2O as a weak field ligand, the number of unpaired electrons in [Mn(H2O)6]2+ will be (atomic number of Mn = ...
AIPMT 2004
The number of unpaired electrons in the complex ion [CoF6]3$$-$$ is (Atomic no. : Co = 27)
AIPMT 2003
Among the following which is not the $$\pi $$-bonded organometallic compound?
AIPMT 2003
In the silver plating of copper, K[Ag(CN)2] is used instead of AgNO3. The reason is
AIPMT 2002
CuSO4 when reacts with KCN forms CuCN, which is insoluble in water. It is soluble in excess of KCN, due to formation o...
AIPMT 2002
The hypothetical complex chloro diaquatriammine cobalt(III) chloride can be represented as
AIPMT 2002
Atomic number of Cr and Fe are respectively 24 and 26, which of the following is paramagetic with the spin of electron?...
AIPMT 2002
Which of the following will exhibit maximum ionic conductivity?
AIPMT 2001
Which of the following organometallic compounds is $$\sigma $$ and $$\pi $$ bonded?
AIPMT 2001
Which statement is incorrect?
AIPMT 2001
Coordination number of Ni in [Ni(C2O4)3]4$$-$$ is
AIPMT 2001
Which of the following will give maximum number of isomers?
AIPMT 2001
Which complex compound will give four isomers?
AIPMT 2000
Shape of Fe(CO)5 is
AIPMT 2000

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