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Question:
Given below are two statements:
Statement (I): Aqueous solution of ammonium carbonate is basic.
Statement (II): Acidic/basic nature of salt solution of a salt of weak acid and weak base depends on \( K_a \) and \( K_b \) value of acid and the base forming it.
In the light of the above statements, choose the most appropriate answer from the options given below:
Given below are two statements:
Statement (I): Aqueous solution of ammonium carbonate is basic.
Statement (II): Acidic/basic nature of salt solution of a salt of weak acid and weak base depends on \( K_a \) and \( K_b \) value of acid and the base forming it.
In the light of the above statements, choose the most appropriate answer from the options given below:
Statement (I): Aqueous solution of ammonium carbonate is basic.
Statement (II): Acidic/basic nature of salt solution of a salt of weak acid and weak base depends on \( K_a \) and \( K_b \) value of acid and the base forming it.
In the light of the above statements, choose the most appropriate answer from the options given below:
Updated On: Nov 13, 2024
- Both Statement I and Statement II are correct
- Statement I is correct but Statement II is incorrect
- Both Statement I and Statement II are incorrect
- Statement I is incorrect but Statement II is correct
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The Correct Option is A
Solution and Explanation
Statement I: Ammonium carbonate (NH4)2CO3 is basic in solution because it forms a weak acid (NH4+) and a weak base (CO32-). The carbonate ion (CO32-) can accept protons, making the solution basic.
Statement II: This statement is also correct as the pH of a salt solution formed from a weak acid and a weak base depends on the relative values of Ka and Kb.
So, Statement I and II both are correct.
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