Bab 10-2

When going down group, the solubility of the group 2 O^2-...

• increases
• decreases

When going down group, the solubility of the group 2 HCO3^-...

• increases
• decreases

When going down group, the solubility of the group 2 OH-...

• increases
• decreases

When going down group, the solubility of the group 2 CO3^-...

• increases
• decreases

When going down group, the solubility of the group 2 F-..

• increases
• decreases

The ....... the lattice energy and the ..... the hydration enthalpy, the ..... for the compound to dissolve in water.

• lower, higher, easier
• higher, lower, easier
• higher, lower, harder
• lower, higher, harder

An ionic compound will dissolve in water ....... if its total enthalpy of hydration of anions and cations is ........ than its lattice energy.

• easily, larger
• hardly, smaller

The salts of group 2 will soluble in water and usually have a ......... heat of solution, ΔH solution.

• negative
• positive
• neutral

Heat is .......... when salts of group 2 dissolve in water.

• released
• absorbed
• no reactions

When going down the group 2, the size of the cations .............

• increases
• decreases