MCQ
Propanal on treatment with dilute sodium hydroxide forms
- A$C{H_3}C{H_2}C{H_2}C{H_2}C{H_2}CHO$
- B$C{H_3}C{H_2}CH(OH)C{H_2}C{H_2}CHO$
- ✓$C{H_3}C{H_2}CH(OH)CH(C{H_3})CHO$
- D$C{H_3}C{H_2}COONa$

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$[Fe(CN)_6]^{4-} \rightarrow [Fe(CN)_6]^{3-} + e^{-1}\, ;$ $ E^o = -0.35\, V$
$Fe^{2+} \rightarrow Fe^{3+} + e^{-1}\ ;$ $E^o = -0.77\, V$
(Given, $\mathrm{R}=8.3\; \mathrm{J} \mathrm{mol}^{-1} \mathrm{K}^{-1}$$, \ln \left(\frac{2}{3}\right)=0.4$ $\left.e^{-3}=4.0\right)$