MCQ
Dehydration of the above compound will give


- Amesa product
- ✓racemic mixture
- Cdiastereomer
- Doptically pure enantiomer


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The reaction will be most favourable if $M$ happens to be
$Mn^{2+} +2e- \rightarrow Mn;\, E^o = -1.18\,V$
$2(Mn^{3+} +e^- \rightarrow Mn^{2+} )\,;\,E^o=+1.51\,V$
The $E^o$ for $3Mn^{2+} \rightarrow Mn+ 2Mn^{3+}$ will be :
[Given : Molal depression constant and density of water are $1.86\, K\, kg\, mol^{-1}$ and $1\, g\, cm^{-3}$ respectively.]

| Reaction | Product | |
| $I$ | $RX + AgCN$ | $RNC$ |
| $II$ | $RX + KCN$ | $RCN$ |
| $III$ | $RX + KNO_2$ | (image) |
| $IV$ | $RX + AgNO_2$ | $R-O-N = O$ |

