NEET Chemistry The S-Block Elements MCQs

The solubility of alkali metal carbonates generally increases down the group.

Lithium carbonate is less soluble than other alkali metal carbonates.

The solubility of alkali metal carbonates is influenced by the size of the cation.

The solubility of alkali metal carbonates decreases down the group.

${\rm{KOH}}$

${\rm{CsOH}}$

${\rm{LiOH}}$

${\rm{RbOH}}$

increasing lattice enthalpy

decreasing hydration enthalpy dominating over decreasing lattice enthalpy

increasing hydration enthalpy dominating over increasing lattice enthalpy

decreasing lattice enthalpy dominating over decreasing hydration enthalpy

${\rm{Na}}$

${\rm{K}}$

${\rm{Rb}}$

${\rm{Li}}$

${\rm{CaS}}{{\rm{O}}_4}$

${\rm{BeS}}{{\rm{O}}_4}$

${\rm{BaS}}{{\rm{O}}_4}$

${\rm{SrS}}{{\rm{O}}_4}$

${\rm{CaS}}{{\rm{O}}_4}$

${\rm{BeS}}{{\rm{O}}_4}$

${\rm{BaS}}{{\rm{O}}_4}$

${\rm{SrS}}{{\rm{O}}_4}$

High lattice energy

Small hydration enthalpy

Small lattice enthalpy

High hydration enthalpy

$LiCl$

$CsCl$

$RbCl$

$KCl$

$Sr > Ca > Mg > Ba$

$Mg > Ca > Sr > Ba$

$Ba > Mg > Sr > Ca\,$

$Ca > Sr > Ba > Mg\,$