19,000+ solved questions for JEE Advanced, JEE Mains, NEET & IChO — with answers and expert explanations.
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The correct order of magnetic moments (spin only) values in BM) among the following is (Atomic number: Mn = 25, Fe = 26, Co = 27)
Which one of the following complex ion has the highest magnetic moment?
Among the following complexes, which has a magnetic moment 5.9 BM ? Ni(CO)4, [Fe(H2O)6]2+, [Co(NH3)6]3+, [MnBr4]2–, [Zn(NH3)4]2+
The correct order of magnetic moments (spin only values in B.M.) is
Amongst[ Ni (CO)4], [Ni (CN)4]2– and [NiCl4]2
Amongst the following, the lowest degree of paramagnetism per mole of the compound at 298 K will be shown by
Spin only magnetic moment of the compound Hg[Co(SCN)4] is (a) (b) (c) (d)
The compound having tetrahedral geometry is
Among the following, the compound that is both paramagnetic and coloured is
The effective atomic number of Cr (atomic no. 24) in [Cr(NH3)6]Cl3 is [Manipal 2010]
[Cr(H2O)6]Cl3 (atomic number of Cr = 24) has a magnetic moment of 3.83 B.M. The correct distribution of 3d electrons in the chromium present in the complex is:
Assign the hybridization, shape and magnetic moment of K3[Cu(CN)4]:
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)
The crystal field splitting energy for octahedral ( ) and tetrahedral ( t ) complexes is related as (a) t (b) t (c) t (d) t
The magnitude of crystal field stabilization energy in tetrahedral complexes (CFSE of t ) is considerably less than that in the octahedral field because
Cr3+ form four complexes with four different ligands which are [Cr(Cl)6]3–, [Cr(H2O)6]3+, [Cr(NH3)6]3+ and [Cr(CN)6]3–. The order of CFSE (0) in these complexes is in the order :
The geometry of Ni(CO)4 and Ni(PPh3)2Cl2 are [Manipal 2006]
The -bonded organometallic compound which has ethene as one of its component is [J&K CET]
[Cr(H2O)6]Cl3 (at. no. of Cr = 24) has a magnetic moment of 3.83 BM, the correct distribution of 3d- electrons in the chromium of the complex is [CBSE AIPMT 2006] (a) xz x -y , x 3d 3d ,3d (b) xy x -y , 3d ,3d 3d , yz…
Which one of the following is an outer orbital complex and exhibits paramagnetic behaviour? [CBSE AIPMT 2012]
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…
The magnetic moment (spin only) of [NiCl4]2– is (AIPMT 2011)
The pair in which both species have same magnetic moment (spin only value) is [AIIMS 2006]
Which of the following facts about the complex [Cr(NH3)6]Cl3 is wrong? (AIPMT 2011)