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Q.
In $[Co(NH_3)_6]CI_3$, the number of covalent bonds is
MP PMTMP PMT 2001Coordination Compounds
Solution:
$M - L$ bond is coordinate. In ligand itself, $NH_{3}$, three hydrogens are covalently linked to nitrogen atoms. Hence, total number of covalent bonds$= 6 \times 3 = 18$