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Solutions - 12
1.
Dissolution of Na
3
PO
4
in water will give neutral solution.
a) False
b) True
2.
Ka value of H
2
SO
4
is high as compared to Kb value of Cu(OH)
2
.
a) False
b) True
3.
Trivalent cation has higher value of Hydration due to their low charges densities.
a) False
b) True
4.
Breaking of lattice into ions is exothermic reaction.
a) True
b) False
5.
Attraction of hydrated ion by solvent dipole is endothermic reaction.
a) True
b) False
6.
Energy is essential factor in the solution formation.
a) False
b) True
7.
Crystalline substances containing chemically combined water in definite proportions are called hydrate.
a) True
b) False
8.
Smaller charge density ion has less ability to attract polar water molecule.
a) False
b) True
9.
On diluting concentrated solution heat change depends on amount of water used for dilution.
a) True
b) False
10.
–ve ΔH means process is endothermic.
a) False
b) True
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