MHT CET Chemistry question

The first ionization energy of the elements of the first transition series (Ti to Cu)

(A)Increases as the atomic number increasesCorrect
(B)Decreases as the atomic number increases
(C)Does not show any change as the addition of electrons takes place in the inner orbitals
(D)Increases from Ti to Mn and then decreases from Mn to Cu

Answer: (A)

Solution

Across Ti to Cu the nuclear charge increases and the added electrons shield poorly, so the first ionization energy increases

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Question ID VK-074601