3[Co(en)2Cl2]Cl+ (excess)AgNO3→ (white ppt. )3AgCl
Secondary valency is equal to coordination number of Co=6
JEE Main 2021 — Chemistry Inorganic Chemistry
3 moles of metal complex with formula Co(en)2Cl3 gives 3 moles of silver chloride on treatment with excess of silver nitrate. The secondary valency of Co in the complex is (Round off to the nearest integer)
Held on 27 Jul 2021 · Verified 6 Jul 2026.
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