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Nilanjan Bhowmick AIR 3, CSIR NET (Earth Science)
Sahiba Naqvi posted an Question
June 06, 2021 • 01:05 am
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9 points
9 points
- IIT JAM
- Chemistry (CY)
Sir i am confused how to arranged the complexes according to their stability on the basis of electroneutrality principle
sir i am confused how to arranged the complexes according to their stability on the basis of electroneutrality principle
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Arun jangir Jangir
Pauling's principle of electroneutrality states that each atom in a stable substance has a charge close to zero. It was formulated by Linus Pauling in 1948 and later revised. The principle has been used to predict which of a set of molecular resonance structures would be the most significant, to explain the stability of inorganic complexes and to explain the existence of π-bonding in compounds and polyatomic anions containing silicon, phosphorus or sulfur bonded to oxygen; it is still invoked in the context of coordination complexes. However, modern computational techniques indicate many stable compounds have a greater charge distribution than the principle predicts (they contain bonds with greater ionic character).
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Gunjan![best-answer]()
see this is kind of a vast question have patience and read the whole answer. u are not supposed to directly arrange complexes in their stability order using electroneutrality principle . in particular there can't be any such series for that purpose as it is practically impossible to put all the possible complexes in one series. electroneutrality principle can simply guide you to compare the stabilities of different complexes . for tht purpose I need to explain a bit much thn u expected... see complexes are of two types 1) transition metal complexes 2) non transition metal complexes #)in case of transition metal complexes : if metals to be compared are in two different oxidation states with same ligand, then the metal with highest oxidation state is the stablest ex: Na(H²O)6]+ is less stable than [Mg(H²O) 6]²+ #) in case of complexes with metals of same oxidation state but different ligand, complex with more electronegative ligand is more stable . I am sharing an image with you hope it will help you (only if u could understand my handwriting)