Question
What will be value of $\left(\mathrm{pK}_{\mathrm{a}}+\mathrm{pK}_{\mathrm{b}}\right)$ at $25^{\circ} \mathrm{C}$ ?
✓
Answer
$\text{pK}_{\text{a}} + \text{pK}_{\text{b}} = \text{pK}_{\text{w}} = 14$
$[\because\text{pK}_{\text{w}}=-\log\text{K}_{\text{w}}$
$=-\log10^{-14}$
$=14\log10=14\times1=14]$
$[\because\text{pK}_{\text{w}}=-\log\text{K}_{\text{w}}$
$=-\log10^{-14}$
$=14\log10=14\times1=14]$
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