ChemistryMedium60×since 2002Q672Which one of the following complexes shows optical isomerism? (en = ethylenediamine)Acis[Co(en)₂Cl₂]ClBtrans[Co(en)₂Cl₂]ClC[Co(NH₃)₄Cl₂]ClD[Co(NH₃)₃Cl₃]Check answerSkip