19,000+ solved questions for JEE Advanced, JEE Mains, NEET & IChO — with answers and expert explanations.
Again for [Fe(H2O)6]Cl3, since H2O is a weak field ligand, the unpaired electrons will not get paired up. Thus the hybridization of Fe will besp 3d 2. So, the reason is not correct. Hence, the correct option is (c).
The coordination compound of which one of the following compositions will produce two equivalents of AgCl on reaction with aqueous silver nitrate solution? [J&K CET 2009]
The existence of two different coloured complexes with the composition [Co(NH3)4Cl2] + is due to [CBSE AIPMT2010]
Crystal field stabilisation energy for high spin d octahedral complex is [CBSE AIPMT2010]
Which of the following complex ion is not expected to absorb visible light? [CBSE AIPMT 2010]
Assertion: If 4 for [Cu(NH3)4] 2+ is 2.1 × 10 13, its instability constant is 4.76 × 10 –14. Reason: Overall dissociation equilibrium constant varies inversely with formation constant. [AIIMS2010]
Which of the following species is expected to be colourless? [CBSE AIPMT 2010]
The neutral molecules or ions which coordinate with the central atom or ion in a complex ion are called
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]
A ligand can also be regarded as
Which of the following 0.1 M complex compound solutions will have the minimum electrical conductivity? [Guj. CET 2010]
Which of the following is a bidentate ligand?
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]
The ligand N(CH2CH2NH2)3 is
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)