The correct order of radii is/are :

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

Problem

The correct order of radii is/are : (1)

Pb > Pb^{2+} > Pb^{4+}

(2)

In^{+} > Sn^{2+} > Sb^{3+} > Te^{4+}

(3)

Co > Ni > Cu > Zn

(4)

K^{+} > Li^{+} > Mg^{2+} > Al^{3+}

Related theory

Atomic and ionic radii
Classification of Elements and Periodicity in Properties
Atomic size
Periodic Trends in Physical Properties

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