$Li$ અને $K$ ની આયનીકરણ ક્ષમતા અનુક્રમે $5.4$ અને $4.3\, eV$ છે $Na$ ની આયનીકરણ ક્ષમતા શું હશે ?
A$9.7$
B$1.1$
C$4.9$
D
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c \(Li, Na, K\) are elements of same group ie \(-IA\)
In a group from top to bottom \(I.P.\) value decreases.
So, the \(I.P\) value of \(Na\) will be lessthan Lithium and greater than Potassium
\(I.P.\) value \(=Li\,>Na\,>K\)
So, it will be between \(5.4\) and \(4.3\) i.e \(4.9 \,eV\).
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