The following complexex are given: (1) trans−[Co(NH3)4Cl2]+ (2) cis−[Co(NH3)2(en)2]3+ (3) trans−[Co(NH3)2(en)2]3+ (4) [NiCl4]2− (5) [TiF6]2− (6) [CoF6]3− Choose the correct code:
Identify the optically active compounds from the following (a) [Co(en)3]3+ (b) trans−[Co(en)2Cl2]+ (c) cis−[Co(en)2Cl2]+ (d) [Cr(NH3)5Cl]