Column-I (Order)		Column-II (Property)
A)	$\mathrm{NaF}<\mathrm{NaCl}<\mathrm{NaBr}<\mathrm{NaI}$	P)	Solubility
B)	${\mathrm{Li}}_2{\mathrm{CO}}_3<{\mathrm{Na}}_2{\mathrm{CO}}_3<{\mathrm{K}}_2{\mathrm{CO}}_3<{\mathrm{Cs}}_2{\mathrm{CO}}_3$	Q)	Conductance
C)	${\mathrm{Li}}^{+}<{\mathrm{Na}}^{+}<{\mathrm{K}}^{+}<{\mathrm{Rb}}^{+}<{\mathrm{Cs}}^{+}$(in aqueous state)	R)	Thermal stability
D)	LiF < NaF < RbF < CsF	S)	Covalent character

	(A)	(B)	(C)	(D)
(1)	S	R	Q	P
(2)	P	Q	R	S
(3)	S	Q	R	P
(4)	R	S	Q	P