JEE Main 2012Annual, Paper 1ChemistryEasyChemical Bonding and Molecular Structure142× since 2002In which of the following pairs the two species are not isostructural ?AOption A. CO32−CO_3^{2-}CO32− and NO3−NO_3^-NO3−BOption B. PCl4+PCl_4^{+}PCl4+ and SiCl4SiCl_4SiCl4COption C. PF₅ and BrF₅DOption D. AlF6−AlF_6^-AlF6− and SF6SF_6SF6CheckSkip · show solution
