Advertisements
Advertisements
प्रश्न
Complete the synthesis by giving missing starting material, reagent or product.
\[\ce{C6H5CHO ->[H2NCONHNH2]}\]
Advertisements
उत्तर १
\[\begin{array}{cc}
\phantom{....................................}\ce{O}\\
\phantom{....................................}||\\
\ce{\underset{Benzaldehyde}{C6H5CHO} + \underset{Semicarbazide}{H2NCONHNH2} -> C6H5CH \underset{Benzaldehyde semicarbazide}{= NNHC - NH2} + H2O}\end{array}\]
उत्तर २

APPEARS IN
संबंधित प्रश्न
Arrange the following compound in increasing order of its reactivity in nucleophilic addition reactions.
Benzaldehyde, p-Tolualdehyde, p-Nitrobenzaldehyde, Acetophenone.
Hint: Consider steric effect and electronic effect.
What is meant by the following term? Give an example of the reaction in the following case.
Acetal
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.
2, 4-DNP-derivative
How will you bring about the following conversion in not more than two steps?
Bromobenzene to 1-Phenylethanol
Give plausible explanation for the following:
There are two −NH2 groups in semicarbazide. However, only one is involved in the formation of semicarbazones.
Write the structure of Phenylmethanamine.
Which of the following is the correct representation for intermediate of nucleophilic addition reaction to the given carbonyl compound (A):

(i) 
(ii) 
(iii) 
(iv) 
Which among the following is most reactive to give nucleophilic addition?
Which will undergo faster nucleophilic addition reaction?
Acetaldehyde or Propanone
Write the structure of the product formed when acetone reacts with 2, 4 DNP reagent.
Draw structures of the given derivatives.
The ethylene ketal of hexan-3-one
Draw the structure of the following derivative.
The ethylene ketal of hexane-3-one
Draw structures of the following derivative.
The ethylene ketal of hexan-3-one
Draw structure of the following derivative:
Acetaldehydedimethylacetal
Draw the structure of the following derivative.
Acetaldehydedimethylacetal
Draw structure of the following derivative.
The ethylene ketal of hexan-3-one
Draw structure of the following derivative.
The ethylene ketal of hexan-3-one
Give an example of the reaction in the following case.
Oxime
Give an example of the reaction in the following case.
Imine
