Advertisements
Advertisements
प्रश्न
What is meant by the following term? Give an example of the reaction in the following case.
Oxime
Advertisements
उत्तर
Oximes are formed by reaction between aldehydes or ketones and hydroxylamine. The reaction is carried out in a mildly acidic condition.
\[\begin{array}{cc}
\ce{H3C}\phantom{...........................}\ce{H3C}\phantom{.....................}\\
\backslash\phantom{..............................}\backslash\phantom{................}\\
\ce{= O + \underset{Hydroxylarnine}{H2N-OH} ->[pH 3.5] \phantom{......}= NOH + H2O}\\
/\phantom{..............................}/\phantom{.................}\\
\ce{H}\phantom{............................}\ce{\underset{Oxime}{H}}\phantom{..................}
\end{array}\]
APPEARS IN
संबंधित प्रश्न
Write the structures of the main products when acetone (CH3 − CO − CH3) reacts with the following reagent :
H2N − NHCONH2/H+
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.
Imine
Predict the products formed when cyclohexanecarbaldehyde reacts with the following reagents.
PhMgBr and then H3O+
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
Benzaldehyde can be obtained from benzal chloride. Write reactions for obtaining benzalchloride and then benzaldehyde from it.
Carboxylic acids contain carbonyl group but do not show the nucleophilic addition reaction like aldehydes or ketones. Why?
Identify the compounds A, B and C in the following reaction.
\[\ce{CH3 - Br ->[Mg/ether] (A) ->[(i) CO][(ii) Water] (B) ->[CH3OH/H+][Δ] (C)}\]
Which one of the following gives only one monochloro derivative?
Grignard reagent on reaction with acetone forms.
Which among the following is most reactive to give nucleophilic addition?
Aldehydes and ketones react with hydroxylamine to form ______.
Why dissociation of HCN is suppressed by the addition of HCL?
Draw structure of the following derivative.
The ethylene ketal of hexan-3-one
Draw the structure of the following derivative.
Acetaldehydedimethylacetal
Give an example of the reaction in the following case.
Oxime
Give an example of the reaction in the following case.
Imine
