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Question:

(i) Write down the IUPAC name of the following complex: [Cr(NH3)2Cl2(en)]Cl (en=ethylenediamine)
(ii) Write the formula for the following complex: Pentaamminentrito-o-cobalt (III)

Solution:

(i) Diamminedichloridoethylenediaminechromium(III) chloride
(ii) [Co(NH3)5(ONO)]2+