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Hint: You should be aware of this fact that an acid is called strong when it dissociates completely in water and it is called weaker acid when it is not able to dissociate or dissociates slowly. Now just think about the acid given in the question.
Complete step by step answer:
Now, Let’s discuss each point one by one to reach our answer.
Concentrated acid is an acid that is in either pure form or has a high concentration. Laboratory type sulfuric acid (about 98% by weight) is a concentrated (and strong) acid.
A dilute acid is that in which the concentration of the water mixed in the acid is higher than the concentration of the acid itself. For instance, 5% sulfuric acid is a dilute acid.
A dilute acid, unlike a concentrated acid, will ionize to a greater degree in their solution (higher percent dissociation with decreasing concentration). However, if an aqueous acid mixture (such as sulfuric acid, mentioned above) is added to water, the resultant pH from adding a dilute one would be higher (lower acidity) than for a concentrated one.
Not to be confused with "strong acid", which refers not to concentration but to the degree of ionic dissociation in water
Therefore, we can conclude that Dilute sulphuric acid is a strong acid and it completely ionizes in the water giving hydrogen ions and sulfate ions and maintains the high acidity of the solution which makes options B correct.
Note: Also keep in mind that dilute acids will be having 80 or 90% water, with only 10 - 20% of the weight being the acid itself. Concentrated acids have much lower water contents - concentrated sulphuric acid is typically 4% water, 96% acid. Concentrated hydrochloric acid is 37% HCl (HCl itself is a gas, so 37% w/w is about the maximum you can dissolve in water).
Complete step by step answer:
Now, Let’s discuss each point one by one to reach our answer.
Concentrated acid is an acid that is in either pure form or has a high concentration. Laboratory type sulfuric acid (about 98% by weight) is a concentrated (and strong) acid.
A dilute acid is that in which the concentration of the water mixed in the acid is higher than the concentration of the acid itself. For instance, 5% sulfuric acid is a dilute acid.
A dilute acid, unlike a concentrated acid, will ionize to a greater degree in their solution (higher percent dissociation with decreasing concentration). However, if an aqueous acid mixture (such as sulfuric acid, mentioned above) is added to water, the resultant pH from adding a dilute one would be higher (lower acidity) than for a concentrated one.
Not to be confused with "strong acid", which refers not to concentration but to the degree of ionic dissociation in water
Therefore, we can conclude that Dilute sulphuric acid is a strong acid and it completely ionizes in the water giving hydrogen ions and sulfate ions and maintains the high acidity of the solution which makes options B correct.
Note: Also keep in mind that dilute acids will be having 80 or 90% water, with only 10 - 20% of the weight being the acid itself. Concentrated acids have much lower water contents - concentrated sulphuric acid is typically 4% water, 96% acid. Concentrated hydrochloric acid is 37% HCl (HCl itself is a gas, so 37% w/w is about the maximum you can dissolve in water).
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