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

Predict the product of the following reaction: ..............O..............||R−CH=CH−CHO+NHA2−C−NH−NHA2→HA+ - Chemistry

Advertisements
Advertisements

प्रश्न

Predict the product of the following reaction:

\[\begin{array}{cc}
\phantom{..............}\ce{O}\\
\phantom{..............}||\\
\ce{R - CH = CH - CHO + NH2 - C - NH - NH2 ->[H+]}\end{array}\]

रासायनिक समीकरणे/रचना
Advertisements

उत्तर

\[\begin{array}{cc}
\phantom{........................}\ce{O}\phantom{....................................................}\ce{O}\\
\phantom{........................}||\phantom{....................................................}||\\
\ce{R - CH = CH - CHO + NH2 - C - NH - NH2 ->[H+]\underset{3-alkyl prop-2-enyl semicarbenzene}{R - CH = CH - CH = N - NH - C - NH2}}\
\end{array}\]

shaalaa.com
  या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
पाठ 8: Aldehydes, Ketones and Carboxylic Acids - Intext Questions [पृष्ठ २४३]

APPEARS IN

एनसीईआरटी Chemistry Part 1 and 2 [English] Class 12
पाठ 8 Aldehydes, Ketones and Carboxylic Acids
Intext Questions | Q 8.5 (iii) | पृष्ठ २४३

संबंधित प्रश्‍न

Write the structures of the main products when acetone (CH3 − CO − CH3) reacts with the following reagent :

H2N − NHCONH2/H+


Arrange the following compound in increasing order of its reactivity in nucleophilic addition reactions.

Ethanal, Propanal, Propanone, Butanone.

Hint: Consider steric effect and electronic effect.


What is meant by the following term? Give an example of the reaction in the following case.

Semicarbazone


What is meant by the following term? Give an example of the reaction in the following case.

Hemiacetal


What is meant by the following term? Give an example of the reaction in the following case.

Ketal


Predict the products formed when cyclohexanecarbaldehyde reacts with the following reagents.

PhMgBr and then H3O+


How are the following compounds prepared?

acetophenone from benzene


Write balanced chemical equations for action of ammonia on - acetaldehyde


What are amines?


Write the main product formed when propanal reacts with the following reagents: 
H2N- NH2  followed by heating with KOH in ethylene glycol.


Which of the following compounds is most reactive towards nucleophilic addition reactions?


Alkenes   and carbonyl compounds , both contain a π bond but alkenes show electrophilic addition reactions whereas carbonyl compounds show nucleophilic addition reactions. Explain.


Identify the compounds A, B and C in the following reaction.

\[\ce{CH3 - Br ->[Mg/ether] (A) ->[(i) CO][(ii) Water] (B) ->[CH3OH/H+][Δ] (C)}\]


A Idol condensation will not be observed in


The most stable reagent for the conversion of R – CH2OH → RCHO is


Draw structures of the given derivatives.

The ethylene ketal of hexan-3-one


Draw structure of the following derivative.

Acetaldehydedimethylacetal


Why dissociation of HCN is suppressed by the addition of HCL?


Draw the structure of the following derivative.

The ethylene ketal of hexan-3-one


Draw the structure of the given derivative.

The ethylene ketal of hexan-3-one


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×