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प्रश्न
Predict the product of the following reaction:
\[\begin{array}{cc}
\phantom{..............}\ce{O}\\
\phantom{..............}||\\
\ce{R - CH = CH - CHO + NH2 - C - NH - NH2 ->[H+]}\end{array}\]
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उत्तर
\[\begin{array}{cc}
\phantom{........................}\ce{O}\phantom{....................................................}\ce{O}\\
\phantom{........................}||\phantom{....................................................}||\\
\ce{R - CH = CH - CHO + NH2 - C - NH - NH2 ->[H+]\underset{3-alkyl prop-2-enyl semicarbenzene}{R - CH = CH - CH = N - NH - C - NH2}}\
\end{array}\]
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संबंधित प्रश्न
Draw the structure of the semicarbazone of ethanal.
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Hint: Consider steric effect and electronic effect.
What is meant by the following term? Give an example of the reaction in the following case.
Oxime
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Semicarbazide and weak acid
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benzaldehyde from benzoyl chloride
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1) `LiAlH_4"/"H_3O^+`
2) `PCl_3 , "heat"`
3) `P_2O_5, "heat"`
Write the main product formed when propanal reacts with the following reagents:
2 moles of 3 CH OH in presence of dry HCl
Write the main product formed when propanal reacts with the following reagents:
H2N- NH2 followed by heating with KOH in ethylene glycol.
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and carbonyl compounds
, both contain a π bond but alkenes show electrophilic addition reactions whereas carbonyl compounds show nucleophilic addition reactions. Explain.
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Draw structures of the given derivatives.
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Draw the structure of the following derivative.
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Draw the structure of the following derivative.
The ethylene ketal of hexan-3-one
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