Question:
The conjugate base of NH$_4^+$ is
The conjugate base of NH$_4^+$ is
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Conjugate base = acid - H$^+$
NH$_4^+$ is a weak acid; its base is NH$_3$
Updated On: May 19, 2025
- NH$_2^-$
- NH$_3$
- NH$_4$
- NH$_4$OH
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The Correct Option is B
Solution and Explanation
A conjugate base is formed when an acid loses a proton (H$^+$). The ammonium ion (NH$_4^+$) is a weak acid that donates a proton to form NH$_3$:
\[
\text{NH}_4^+ \rightarrow \text{NH}_3 + \text{H}^+
\]
Hence, NH$_3$ is the conjugate base of NH$_4^+$.
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