For the reaction , the equivalent weight of is: — Redox Reactions and Volumetric Analysis Chemistry Question
Question
For the reaction $H_3PO_4 + Mg(OH)_2 \rightarrow MgHPO_4 + 2H_2O$, the equivalent weight of $H_3PO_4$ is:
Answer: B
💡 Solution & Explanation
In this reaction, $H_3PO_4$ loses two protons to form $HPO_4^{2-}$. The $n$-factor (basicity) is 2. Therefore, Eq. Wt. = $M/2$.
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