Which of the following orders is correct?

CHEMISTRY · Single correct · AP · Chemistry · Atomic Structure and Properties · Atomic Structure and Properties

Problem

Which of the following orders is correct? (1)

\mathrm{K^+<Ca^{2+}<P^{3-}<S^{2-}}

; ionic size (2)

\mathrm{Na^+_{(aq)}>K^+_{(aq)}>Rb^+_{(aq)}>Cs^+_{(aq)}}

; electrical conductance (3)

\mathrm{Al^{3+}_{(aq)}>Mg^{2+}_{(aq)}>Na^+_{(aq)}}

; hydrated size (4)

\mathrm{I^-_{(aq)}<Br^-_{(aq)}<Cl^-_{(aq)}<F^-_{(aq)}}

; ionic mobility