Consider that CuO(s) + H2SO4(aq) reacts to give CuSO4(aq) and CuO(s) + K2SO4 doe
ID: 959387 • Letter: C
Question
Consider that CuO(s) + H2SO4(aq) reacts to give CuSO4(aq) and CuO(s) + K2SO4 does not give a product. Which of the following statements explain why this is true? One or more statements may be true
a. CuO is very stable and therefore does not dissociate in water and therefore cannot react with the sulfate ion in potassium sulfate.
b. Potassium sulfate cannot dissolve in water since it is a salt and cannot react with CuO.
c. CuO is a basic salt and therefore reacts with sulfuric acid to give copper (II) sulfate and water.
d. Acids and bases do not react with each other. e. CuO is not soluble in water and therefore cannot react with potassium sulfate to give a salt.
Explanation / Answer
Option a is true. CuO doesnot solvable in water
Option b is false as potassium sulfate is solvable in water
Option c is true as CuO is a basic salt (CuO is obtained from dehydration of Cu(OH)2 )
Option d is false as acids ans bases reacts with each other
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