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कर्नाटक बोर्ड पी.यू.सी.पीयूसी विज्ञान 2nd PUC Class 12

The best reagent for converting, 2-phenylpropanamide into 1- phenylethanamine is ______.

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प्रश्न

The best reagent for converting, 2-phenylpropanamide into 1- phenylethanamine is ______.

विकल्प

  • \[\ce{excess H2/Pt}\]

  • \[\ce{NaOH/Br2}\]

  • \[\ce{NaBH4 /methanol}\]

  • \[\ce{LiAlH4 /ether}\]

MCQ
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उत्तर

The best reagent for converting, 2-phenylpropanamide into 1- phenylethanamine is \[\ce{NaOH/Br2}\].

Explanation:

\[\begin{array}{cc}
\ce{CH3 - CH - CONH2 ->[Br/NaOH][(Hofmann's bromamide reaction)] CH3 - CH - NH2}\\
\phantom{}|\phantom{..............................................}|\phantom{..}\\
\phantom{....}\ce{\underset{2-Phenylpropanamide}{C6H5}\phantom{................................}\underset{1-Phenyletanamine}{C6H5}\phantom{...}}
\end{array}\]

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अध्याय 13: Amines - Multiple Choice Questions (Type - I) [पृष्ठ १८२]

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एनसीईआरटी एक्झांप्लर Chemistry Exemplar [English] Class 12
अध्याय 13 Amines
Multiple Choice Questions (Type - I) | Q 11 | पृष्ठ १८२

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