The exact volumes of 1 M NaOH solution required to neutralise 50 mL of solution and 100 mL of solution, respectively, are:

Question

The exact volumes of 1 M NaOH solution required to neutralise 50 mL of  solution and 100 mL of  solution, respectively, are:

Canvas Classes · Accepted Answer

(phosphorous acid): Structure  — 2 ionisable OH groups → basicity = 2

(hypophosphorous acid): Structure  — 1 ionisable OH group → basicity = 1

Answer: Option (3) — 100 mL and 200 mL

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