JEE Main Chemistry question
The total number of different kinds of buffers obtained during the titration of H₃PO₄ with NaOH are:
Answer: (A)
Solution
Three successive-dissociation buffer regions (H₃PO₄/H₂PO₄⁻, H₂PO₄⁻/HPO₄²⁻, HPO₄²⁻/PO₄³⁻).
The total number of different kinds of buffers obtained during the titration of H₃PO₄ with NaOH are:
Three successive-dissociation buffer regions (H₃PO₄/H₂PO₄⁻, H₂PO₄⁻/HPO₄²⁻, HPO₄²⁻/PO₄³⁻).