WebCalculate the emf of the cell Cr Cr^3 + (0.1 M) Fe^2 + (0.01 M) Fe (Given: ECr^3 + / Cr^∘ = - 0.75 volt; EFe^2 + / Fe^∘ = - 0.45 volt) . Class 12. >> Chemistry. >> Electrochemistry. … WebElectronic configuration of Cr 3 +. Cr is an exception where the last electron enters into the 3d orbital instead of 4s orbital to attain half-filled stability. The electronic configuration of …
Calculate the emf of the cell Cr Cr^3 + (0.1 M) Fe^2 + (0.01 M) Fe ...
WebYou will also find variations on its formula. For example: CrK(SO 4) 2,12H 2 O. Cr 2 (SO 4) 3,K 2 SO 4,24H 2 O. K 2 SO 4,Cr 2 (SO 4) 3,24H 2 O. The first of these formulae is just … http://butane.chem.uiuc.edu/cyerkes/Chem102AEFa07/Lecture_Notes_102/Lecture%2024-102.htm gifford insurance elkader iowa
3 Types of Intermolecular Forces in HF (Hydrogen Fluoride) Best …
WebThe concentrations of soluble and insoluble Cr+6 and total and insoluble Cr+3 could be calculated from the data. When the method was used to analyze filters spiked with 0.16 … Web[Mn(CN)6]3– , [Fe(CN)6]3– and [Co(C2O4)2]3– are inner orbital complexes involving d2sp3 hybridisation, the former two are paramagnetic and the latter diamagnetic. [MnCl6]3– , [FeF6]3– and [CoF6]3– are outer orbital complexes involving sp3d2 hybridisation and are paramagnetic having four, five and four electrons respectively. WebI suspect you're OCR A. 5.3.1 k ii interconversions between Cr3+ and Cr2O72– (Cr3+ can be oxidised with H2O2/OH–) Alkaline peroxide will convert Cr3+ to CrO42-, not to Cr2O72-. It doesn't then really explain how to go from CrO42-to Cr2O72-. But, as you say, all you need is a bit of acid to push: 2CrO42-+ 2H+ <-> Cr2O72-+ H2O to the right (but make … gifford insurance ottawa