QUIZ
Solubility Water of Group 2
5 minutes ago by
30 questions
Q. Which is more soluble in water between...
answer choices
BaF2
BaSO4
Q. The very ........... fluoride ions have ............... hydration enthalpy compared to the ................ , sulphate ion.
answer choices
small, higher, large
large, higher, small
large, lower, small
small, lower, large
Q. The very ........... sulphate ions have ............... hydration enthalpy compared to the ................ , fluoride ion.
answer choices
large, lower, small
small, higher, large
large, higher, small
small, lower, large
Q. Which is more soluble in water between...
answer choices
MgSO4
BaSO4
Q. Which is less soluble in water between...
answer choices
BaSO4
MgSO4
Q. Which is less soluble in water between...
answer choices
BaSO4
BaF2
Q. Why the salt of group 2 elements are generally less soluble than the salt of group 1 elements?
answer choices
Group 2 salts have higher lattice energies due to their small ionic radius and higher charge.
The lower lattice energy, the more difficult it is for the salt to dissociate into its ions.
The higher lattice energy, the less difficult it is for the salt to dissociate into its ions.
Group 1 salts have lower lattice energies due to their large ionic radius and higher charge.
Q. Why the salt of group 2 elements are generally less soluble than the salt of group 1 elements?
answer choices
The higher lattice energy, the more difficult it is for the salt to dissociate into its ions.
Group 2 salts have lower lattice energies due to their large ionic radius and higher charge.
The higher lattice energy, the less difficult it is for the salt to dissociate into its ions.
Group 1 salts have lower lattice energies due to their large ionic radius and higher charge.
Q. When going down group, the solubility of the group 2 sulphates...
answer choices
decreases
increases
Q. When going down group, the solubility of the group 2 ClO4-...
answer choices
decreases
increases
Q. When going down group, the solubility of the group 2 NO3-...
answer choices
decreases
increases
Q. When going down group, the solubility of the group 2 SO4^2-...
answer choices
decreases
increases
Q. When going down group, the solubility of the group 2 Cl-, Br-, I-...
answer choices
decreases
increases
Q. When going down group, the solubility of the group 2 O^2-...
answer choices
increases
decreases
Q. When going down group, the solubility of the group 2 HCO3^-...
answer choices
increases
decreases
Q. When going down group, the solubility of the group 2 OH-...
answer choices
increases
decreases
Q. When going down group, the solubility of the group 2 CO3^-...
answer choices
increases
decreases
Q. When going down group, the solubility of the group 2 F-..
answer choices
increases
decreases
Q. The ....... the lattice energy and the ..... the hydration enthalpy, the ..... for the compound to dissolve in water.
answer choices
lower, higher, easier
higher, lower, easier
higher, lower, harder
lower, higher, harder
Q. An ionic compound will dissolve in water ....... if its total enthalpy of hydration of anions and cations is ........ than its lattice energy.
answer choices
easily, larger
hardly, smaller
Q. The salts of group 2 will soluble in water and usually have a ......... heat of solution, ΔH solution.
answer choices
negative
positive
neutral
Q. Heat is .......... when salts of group 2 dissolve in water.
answer choices
released
absorbed
no reactions
Q. When going down the group 2, the size of the cations .............
answer choices
increases
decreases
Q. How does the solubility of fluorides change with an increase in proton number?
answer choices
increases
decreases
Q. How does the solubility of sulphates change with an increase in proton number?
answer choices
decreases
increases
Q. How do hydration enthalpy change when going down group 2?
answer choices
decreases
increases
Q. How do lattice energy change when going down group 2?
answer choices
decreases
increases
Q. BaSO4 is highly ........... in water. It is used in medicine. to take X-rays of the human intestinal tract.
answer choices
insoluble
soluble
Q. Group 2 metals are ........ reactive than Group 1 metals.
answer choices
less
more
Q. Group 2 metals are ......... reactive because .......... electrons must be removed when it reacts. Hence, the activation energy for the reaction is .........
answer choices
less, two, greater
more, two, greater
more, two, smaller
less, two, smaller
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