MCQ
The best reagent for converting$, 2-$phenylpropanamide into $1-$phenylethanamine is $.........$
- Aexcess $H_2/ Pt.$
- ✓$\ce{NaOH/ Br_2}.$
- C$\ce{NaBH_4}/$ methanol.
- D$\ce{LiAlH_4}/$ ether.
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Statement $(I)$ : $\mathrm{S}_{\mathrm{N}} 2$ reactions are 'stereospecific', indicating that they result in the formation only one stereo-isomers as the product.
Statement $(II)$ : $\mathrm{S}_N 1$ reactions generally result in formation of product as racemic mixtures. In the light of the above statements, choose the correct answer from the options given below :
Reason : Osmotic pressure is a colligative property.
$A\,\xrightarrow[{1200\,\,atm}]{{470\,\,K}}B$
$A\,\xrightarrow[{C{O_2}\, - \,atm}]{{570\,\,K}}C$