Advertisements
Advertisements
प्रश्न
What is meant by the following term? Give an example of the reaction in the following case.
Imine
Advertisements
उत्तर
Imines are formed when carbonyl compounds react with ammonia derivatives.
\[\begin{array}{cc}
\backslash\phantom{......................}\backslash\phantom{................}\\
\ce{C = O + H2N - Z -> \phantom{.}= N-Z + H2O}\\
\ce{\underset{Compound}{\underset{Carbonyl}{/}}}\phantom{.................}\ce{\underset{Imine}{/}}\phantom{..................}
\end{array}\]
Z = R,
, −NH2, −OH, etc.
APPEARS IN
संबंधित प्रश्न
Acetaldehyde, when treated with which among the following reagents does NOT undergo addition reaction?
(A) Ammonia
(B) Hydroxylamine
(C) Ammoniacal silver nitrate
(D) Semicarbazide
Write the products formed when CH3CHO reacts with the following reagents : HCN
What is meant by the following term? Give an example of the reaction in the following case.
Cyanohydrin
Predict the products formed when cyclohexanecarbaldehyde reacts with the following reagents.
Semicarbazide and weak acid
Predict the products formed when cyclohexanecarbaldehyde reacts with the following reagents.
Excess ethanol and acid
Give plausible explanation for the following:
Cyclohexanone forms cyanohydrin in good yield but 2, 2, 6 trimethylcyclohexanone does not.
Complete the synthesis by giving missing starting material, reagent or product.
\[\ce{C6H5CHO ->[H2NCONHNH2]}\]
Write balanced chemical equations for action of ammonia on - acetone
Write the main product formed when propanal reacts with the following reagents:
2 moles of 3 CH OH in presence of dry HCl
Which of the following is the correct representation for intermediate of nucleophilic addition reaction to the given carbonyl compound (A):

(i) 
(ii) 
(iii) 
(iv) 
Identify the compounds A, B and C in the following reaction.
\[\ce{CH3 - Br ->[Mg/ether] (A) ->[(i) CO][(ii) Water] (B) ->[CH3OH/H+][Δ] (C)}\]
Reaction of aqueous sodium hydroxide on chlorobenzene gives which of the following products?
Which of the following has the most acidic hydrogen?
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
Why dissociation of HCN is suppressed by the addition of HCL?
Draw structure of the following derivative:
Acetaldehydedimethylacetal
Draw structures of the following derivatives.
Acetaldehydedimethylacetal
Draw the structure of the following derivative.
Acetaldehydedimethylacetal
Draw structure of the following derivative.
The ethylene ketal of hexan-3-one
