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JEE Main Chemistry question

ChemistryClassification of Elements and Periodicity in PropertiesJEE Main

Which of the following sequences regarding ionisation potential of coinage metals is correct?

Answer: (D)

Solution

First ionisation energies: Ag ≈ 7.58 eV < Cu ≈ 7.73 eV < Au ≈ 9.23 eV. Silver's poorer orbital penetration (due to the intervening filled 4d shell) makes it

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Question ID VK-156631