19,000+ solved questions for JEE Advanced, JEE Mains, NEET & IChO — with answers and expert explanations.
Ammonia gas does not evolve from the complex FeCl3.4NH3 but it gives white precipitate with aqueous solution of AgNO3. Coordination number of central metal ion in the above complex is six. Give IUPAC name of the complex
Which of the following is the correct order of increasing field strength of ligands to form coordination compounds? (NEET 2020)
What is the correct electronic configuration of the central atom in K4[Fe(CN)6] based on crystal field theory? (NEET UG 2019)
Iron carbonyl, Fe(CO)5 is (NEET 2018)
Which one of the following ions exhibits d-d transition and paramagnetism as well? (NEET 2018) (a) 2- Cr O (b) - MnO (c) 2- CrO (d) 2- MnO
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)
The correct order of the stoichiometries of AgCl formed when AgNO3 in excess is treated with the complexes: CoCl36NH3, CoCl35NH3, CoCl34NH3 respectively is (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 is CO is 1.128Å.) (NEET 2016)
Jahn-Teller effect is not observed in high spin complexes of (NEET 2016)
Which of the following species contains equal number of -and -bonds? (AIPMT 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)
The name of complex ion, [Fe(CN)6] 3– is (NEET 2015)
Number of possible isomers for the complex [Co(en)2Cl2] Cl will be (en = ethylenediamine) (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)
Among the following complexes the one which shows zero crystal field stabilization energy (CFSE) is (AIPMT 2014)
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 -bonded organometallic compound which has ethene as one of its component is [J&K CET]
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)
Which of the following facts about the complex [Cr(NH3)6]Cl3 is wrong? (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 complex, [Pt(Py)(NH3)BrCl] will have how many geometrical isomers? [CBSE AIPMT 2011]