1.

Choose the correct statement(s) about buffer capacity during titration of NH_(4)OH with HCl:

Answer»

Buffer capacity during TITRATION first increases then decreases
Buffer capacity reaches to maximum at equivalence point.
Buffer capacity will increase if concentration of `NH_(4)OH` increases.
Buffer capacity value will REMAIN same if strong ACID `HCl` is replace by `H_(2)SO_(4)` of equal `[H_(2)O]`

Solution :
When conc. Or acid increases buffer capacity increases.


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