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Of two cations of equal size and charge, which polarises anions more?
AOne with ns2np6 shell
BBoth polarise equally
COne with an nd10 shell
DThe one with higher mass
Answer & Solution
Correct answer: C. One with an nd10 shell
A cation with a transition-metal type d10 shell shields its nuclear charge poorly, so it polarises anions more than a noble gas shell cation.
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