MCQ
Among the following acids which has the lowest $pKa$ value
- A$C{H_3}COOH$
- ✓$HCOOH$
- C${(C{H_3})_2}CH - COOH$
- D$C{H_3}C{H_2}COOH$
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$[Figure]$ $\xrightarrow[{S_N2}]{{KOH}}$
$2MnO_4^ - + 10{I^ - } + 16{H^ + } \to 2M{n^{2 + }} + 5{I_2} + 8{H_2}O$
The rate of appearance $I_2$ is......$\times {10^{ - 2}}\,M{s^{ - 1}}$
