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Get Answers to all your Questions
(a) Actinoid contraction is greater than lanthanoid contraction. Give reason.
(b) Out of Fe and Cu, which has higher melting point and why ?
Answers (1)
(a) Actinoid contraction is more than lanthanoid contraction due to poor shielding effect of 5f electrons in comparision to 4f electrons.
(b) Fe has a higher melting point because of presence of more number of unpaired electrons than Cu.
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