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Chemistry · 2017
JEE Main 2017 · 2017-04-02 Offline · Q40
p K_a of a weak acid (HA) and p K_b of a weak base (BOH) are 3.2 and 3.4, respectively. The pH of their salt (AB) solution is:
$\displaystyle \mathrm{p} K_{\mathrm{a}}$ of a weak acid (HA) and $\displaystyle \mathrm{p} K_{\mathrm{b}}$ of a weak base (BOH) are $\displaystyle 3.2$ and $\displaystyle 3.4$, respectively. The pH of their salt (AB) solution is :
Official answer
(4)
$\displaystyle 6.9$
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