19,000+ solved questions for JEE Advanced, JEE Mains, NEET & IChO — with answers and expert explanations.
Which of the following species is expected to be colourless? [CBSE AIPMT 2010]
Four transition metal octahedral complexes, (the choice given below) low spin electron configurations arises only for [DPMT 2010]
The effective atomic number of Cr (atomic no. 24) in [Cr(NH3)6]Cl3 is [Manipal 2010]
Which of the following 0.1 M complex compound solutions will have the minimum electrical conductivity? [Guj. CET 2010]
AgCl is dissolved in excess of each of NH3, KCN and Na2S2O3. The complex ions produced in each case are (AMU 2010)
The complex, [Pt(Py)(NH3)BrCl] will have how many geometrical isomers? [CBSE AIPMT 2011]
The complexes [Co(NH3)6][Cr(CN)6] and [Cr(NH3)6] [Co(CN)6] are the examples of which type if isomerism? [CBSE AIPMT 2011]
Which of the following facts about the complex [Cr(NH3)6]Cl3 is wrong? (AIPMT 2011)
The magnetic moment (spin only) of [NiCl4]2– is (AIPMT 2011)
The chloride ion is detected by the formation of a white precipitate of AgCl on addition of aqueous AgNO3 solution and by the dissolution of the precipitate on addition of excess ammonia solution. AgCl dissolves in aq…
Which one of the following is an outer orbital complex and exhibits paramagnetic behaviour? [CBSE AIPMT 2012]
The -bonded organometallic compound which has ethene as one of its component is [J&K CET]
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 would be (NEET 2013)
Among the following complexes the one which shows zero crystal field stabilization energy (CFSE) is (AIPMT 2014)
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)
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 (NEET 2015)
Cobalt (III) chloride forms several octahedral complexes with ammonia. Which of the following will not give a test of chloride ions with silver nitrate at 25ºC? (AIPMT 2015)
Which one of the following is wrongly matched?
The pair having the same magnetic moment is: [At, No. : Cr = 24, Mn = 25, Fe = 26, Co = 27]
Among TiF6 2-, CoF6 3-, Cu2Cl2 and NiCl4 2- (atomic numbers of Ti = 22, Co = 27, Cu = 29, Ni = 28), the colourless species are
[Sc(H2O)6]3+ ion is
Among [Ni(CO)4], [Ni(CN)4]2– and [NiCl4]2–
The compound which does not show paramagnetism is
Which of the following complex ions/molecules of nickel is paramagnetic?