MCQ
Which of these substances is a good reducing agent
- A$NaOCl$
- ✓$HI$
- C$FeC{l_3}$
- D$KBr$
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(Nearest integer)
$\left(\mathrm{h}=6.63 \times 10^{-34}\, \mathrm{Js}, \mathrm{c}=3.00 \times 10^{8} \,\mathrm{~ms}^{-1}\right)$
$(K_a \,\,of\,\, HA = 4 \times 10^{-7} ,\, log\,2 = 0.3)$