
The conjugate acid of is.
A. .
B. .
C. Both A and B.
D. None of the above.
Answer
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Hint: We know that the Bronsted-Lowry theory of acid and base. According to this theory an acid is a proton donor while the base is a proton acceptor. The proton is represented by the symbol and we know that the conjugate acid is a cation and conjugate base is an anion.
Complete step by step answer: The Bronsted-Lowry theory is based on an acid and base reaction.
We know that, an acid is a species which has the capacity of donating a proton that is hydrogen ion is called Bronsted-Lowry acid and a base is species which has the capacity of accepting proton and a base it needs to have a lone pair of electrons on the base which bonds to the hydrogen ion.
Now, we see Conjugate acid.
According to Bronsted-Lowry theory the conjugate acid is the chemical species which is formed after the base accepts the hydrogen atom is called conjugate acid.
Apply the Bronsted-Lowry theory to find the conjugate acid .
Hydrogen sulfuric acid dissociated into hydrogen sulfate ion. The conjugate acid of the hydrogen sulfate ion is the hydrogen sulfuric acid.
In the above reaction acts as Bronsted-Lowry base which accepts hydrogen atom from its conjugate acid .
So, the correct answer is “Option B”.
Note: We must know that a conjugate acid contains one hydrogen atom in addition and positive charge than the base from which is formed. A conjugate base has one hydrogen atom less and negative charge than the acid from which it is formed.
Example: Carbonic acid and hydronium ions are formed by the reaction of bicarbonate ions with the water.
Complete step by step answer: The Bronsted-Lowry theory is based on an acid and base reaction.
We know that, an acid is a species which has the capacity of donating a proton that is hydrogen ion is called Bronsted-Lowry acid and a base is species which has the capacity of accepting proton and a base it needs to have a lone pair of electrons on the base which bonds to the hydrogen ion.
Now, we see Conjugate acid.
According to Bronsted-Lowry theory the conjugate acid is the chemical species which is formed after the base accepts the hydrogen atom is called conjugate acid.
Apply the Bronsted-Lowry theory to find the conjugate acid
Hydrogen sulfuric acid dissociated into hydrogen sulfate ion. The conjugate acid of the hydrogen sulfate ion is the hydrogen sulfuric acid.
In the above reaction
So, the correct answer is “Option B”.
Note: We must know that a conjugate acid contains one hydrogen atom in addition and positive charge than the base from which is formed. A conjugate base has one hydrogen atom less and negative charge than the acid from which it is formed.
Example: Carbonic acid and hydronium ions are formed by the reaction of bicarbonate ions with the water.
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