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प्रश्न
What are amines?
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उत्तर
Amines are the organic derivatives of ammonia in which one, two or all the three hydrogens atoms attached to nitrogen are replaced by equivalent number of same or diferent alkyl or aryl group.
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संबंधित प्रश्न
Write balanced chemical equations for action of ammonia on - formaldehyde
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.
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.
Imine
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.
\[\ce{C6H5CHO ->[H2NCONHNH2]}\]
Complete the synthesis by giving missing starting material, reagent or product.

How are the following compounds prepared?
benzaldehyde from benzoyl chloride
Write balanced chemical equations for action of ammonia on - acetaldehyde
Write balanced chemical equations for action of ammonia on - acetone
Give a simple chemical test to distinguish between
How will you convert benzoic acid to m-bromobenzoic acid?
Write a test to differentiate between pentan-2-one and pentan-3-one.
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.
\[\ce{CH3 - Br ->[Mg/ether] (A) ->[(i) CO][(ii) Water] (B) ->[CH3OH/H+][Δ] (C)}\]
Paraldehyde is formed as a result of polymerisation:-
The most stable reagent for the conversion of R – CH2OH → RCHO is
Which among the following is most reactive to give nucleophilic addition?
Arrange the following in the increasing order of their property indicated:
Ethanal, Propanone, Propanal, Butanone (reactivity towards nucleophilic addition)
In the following reaction
\[\ce{Carbonyl compound + MeOH <=>[HCl] acetal}\]
Rate of the reaction is the highest for ______.
Which of the following is most reactive in nucleophilic addition reactions?
Aldehydes and ketones react with hydroxylamine to form ______.
Draw structure of the following derivative.
Acetaldehydedimethylacetal
Draw structures of the following derivative.
The ethylene ketal of hexan-3-one
Draw structure of the following derivative.
The ethylene ketal of hexan-3-one
Draw structures of the given derivatives.
The ethylene ketal of hexan-3-one
Give an example of the reaction in the following case.
Oxime
