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Account the following 1.transition elements firm …

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Account the following 1.transition elements firm a large no. of complexes? 2.the Enode value for the Mn3+/Mn2+ couple is much more positive than that for Cr3+/Cr2+ couple? 3.Zn is not consider as a transition element?

Posted by Sohaib Akhtar 6 years, 9 months ago

CBSE > Class 12 > Chemistry

1 answers

Go Pi 6 years, 9 months ago

1) small size of metal ions,high ionic charges, availability of d orbitals. 2)Mn2+ acquires extra stability due to half filed d5 d orbital. 3)it doesn't show incomplete configuration of d orbital in its ground sate as well as in any of its oxidation states.

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