Which statement(s) is/are correct for the complex ion [Co(en)2Cl2]+[\text{Co}(\text{en})_2\text{Cl}_2]^+[Co(en)2Cl2]+ (where en=H2NCH2CH2NH2\text{en} = \text{H}_2\text{NCH}_2\text{CH}_2\text{NH}_2en=H2NCH2CH2NH2)?
1, 2 and 3
Only 1 and 2
Only 2 and 3
Only 1