The incorrect statements are:

CHEMISTRY · Multi correct · CBSE · Chemistry · Classification of Elements and Periodicity in Properties · Classification of Elements and Periodicity in Properties

Problem

The incorrect statements are: (1)

IE_1

of Al

<

IE_1

of Mg (2)

IE_2

of Mg

>

IE_2

of Na (3)

IE_1

of Na

<

IE_1

of Mg (4)

IE_3

of Mg

<

IE_3

of Al

Related theory

Ionisation enthalpy
Classification of Elements and Periodicity in Properties
Periodic Trends in Physical Properties

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