MCQ
Which of the following amines would undergo diazotisation?
- A$CH _3 NH _2$
- B$C _2 H _5 NH _2$
- ✓$C _6 H _5 NH _2$
- D$\left( CH _3\right)_2 NH$
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The hydrogen ion concentration of a buffer solution consisting of a weak acid and its salts is given by
$
\left[ H ^{+}\right]= K _{ a } \frac{[ acid ]}{[\text { salt }]}
$
$
\left.\left[ H ^{+}\right]= K _{ a } \text { [salt }\right]
$
$
\left[ H ^{+}\right]= K _{ a } \text { [acid] }
$
$
\left[ H ^{+}\right]= K _{ a } \frac{[\text { salt }]}{[\text { acid }]}
$