Which one of the following metal complexes is | vedclass

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(B) The stability of metal complexes increases with the number of chelate rings present due to the chelate effect.$1$. $[Co(en)(NH_{3})_{4}]Cl_{2}$ co

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$[Co(en)_{3}]Cl_{2}$

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(B) The stability of metal complexes increases with the number of chelate rings present due to the chelate effect.$1$. $[Co(en)(NH_{3})_{4}]Cl_{2}$ contains $1$ chelate ring.$2$. $[Co(en)_{3}]Cl_{2}$ contains $3$ chelate rings.$3$. $[Co(en)_{2}(NH_{3})_{2}]Cl_{2}$ contains $2$ chelate rings.$4$. $[Co(NH_{3})_{6}]Cl_{2}$ contains $0$ chelate rings.Since $[Co(en)_{3}]Cl_{2}$ has the highest number of chelate rings,it is the most stable complex.

Which one of the following metal complexes is most stable?

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