A) a monobasic acid
B) a tribasic acid
C) a dibasic acid
D) not acidic at all
Correct Answer: A
Solution :
Hypophosphorus acid is a monobasic acid as it forms only one type of salts e.g., sodium hydrogen phosphate \[(Na{{H}_{2}}P{{O}_{2}})\] \[NaOH+{{H}_{3}}P{{O}_{2}}\xrightarrow{{}}Na{{H}_{2}}P{{O}_{2}}+{{H}_{2}}O\] Hypophosphorous acid has 2-hydrogen atoms attached to phosphorus and one hydrogen atom attached to oxygen atom (which is ionisable). i.e., \[H-\underset{H}{\overset{\text{O}}{\mathop{\underset{|}{\overset{|\,\,|}{\mathop{P}}}\,}}}\,-OH\]You need to login to perform this action.
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