JEE Main 2004Annual, Paper 1ChemistryEasyCoordination Compounds198× since 2002Which one the following has largest number of isomers? (R = alkyl group, en = ethylenediamine)AOption A. [Ru(NH₃)₄Cl₂]⁺BOption B. [Co(en)₂Cl₂]⁺COption C. [Ir(PR₃)₂ H(CO)]²⁺DOption D. [Co(NH₃)₅Cl]²⁺CheckSkip · show solution
