Q

Which of the following is a weak base?

JE CBT-1, 25-May-19 S-1 2019
✓ Answer: C NH4OH
Ammonium hydroxide (NH4OH) is a weak base because it does not fully dissociate into its ions in an aqueous solution. A weak base is a base that is partially ionized in water, producing a small amount of OH- ions. Examples include NH4OH and Mg(OH)2. A strong base is a base that is completely ionized in water, producing a large amount of OH- ions. Examples include NaOH and KOH.
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