The incorrect statement is - Vidyadip

MCQ

The incorrect statement is

A
The first ionization enthalpy of $K$ is less than that of $Na$ and $Li$
B
$Xe$ does not have the lowest first ionization enthalpy in its group
C
The first ionization enthalpy of element with atomic number $37$ is lower than that of the element with atomic number $38$ .
✓
The first ionization enthalpy of $Ga$ is higher than that of the $d-$block element with atomic number $30$.

✓

Answer

Correct option: D.

The first ionization enthalpy of $Ga$ is higher than that of the $d-$block element with atomic number $30$.

d
Ionization enthalpy order :

$Li > Na > K$

$He > Ne > Ar > Kr > Xe > Rn$

$Sr > Rb$

$Zn > Ga$

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