NCERT Exercise 5.9 - Coordination Compounds
Question: For square planar shape, the hybridisation is dsp 2. Hence the unpaired electrons in 5d orbital pair up to make one d orbital empty for dsp 2 hybridisation. Thus there is no unpaired electron.
Answer: **NCERT answer:** (i) [Cr(C2O4)3]3" ¯ Nil (ii) [Co(NH3)3Cl3] ¯ Two (fac- and mer-)
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