1. Tardigrade
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  3. Chemistry
  4. The correct order of the first ionization enthalpies is:

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Q. The correct order of the first ionization enthalpies is:

JEE MainJEE Main 2019The d-and f-Block Elements

Solution:

$ Ti \rightarrow| Ar | 3 d ^2 4 s ^2$
$ Mn \rightarrow| Ar | 3 d ^5 4 s ^2$
$ Ni \rightarrow| Ar | 3 d ^8 4 s ^2 $
$ Zn \rightarrow| Ar | 3 d ^{10} 4 s ^2$
Correct order of I.P. is
$[ Ti < Mn < Ni < Zn ]$