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प्रश्न
How the following conversion can be carried out?
Ethyl chloride to propanoic acid.
Write the chemical equation to convert the following:
Ethyl chloride to propanoic acid.
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उत्तर
\[\ce{\underset{Ethyl chloride}{CH3CH2Cl} ->[KCN/EtOH-H2O][nucleophilic substitution] \underset{Propanenitrile}{CH3CH2CN} ->[H+/H2O][hydrolysis] \underset{Propanoic acid}{CH3CH2COOH}}\]
संबंधित प्रश्न
Which would undergo SN1 reaction faster in the following pair and why?
How do you convert the following:
Ethanol to propanenitrile
How will you bring about the following conversion?
Toluene to benzyl alcohol
Write the structure of the major organic product in the following reaction:
\[\ce{CH3CH(Br)CH2CH3 + NaOH ->[water]}\]
What is the action of the following on ethyl bromide:
moist silver oxide
AgCN reacts with haloalkanes to form isocyanide. Haloalkanes react with KCN to form alkyl cyanides as the main product. Why?
Which of the following is a primary halide?
Which one is most reactive towards SN1 reaction?
The process of separation of a racemic modification into d and l-enantiomers is called ____________.
An organic molecule necessarily shows optical activity if it ____________.
The correct order of increasing the reactivity of C–X bond towards nucleophile in following compounds.
(I)
(II)
(CH3)3CCl
(III)
(CH3)2CHCl
(IV)
Which of the following compounds will give a racemic mixture on nucleophilic substitution by OH ion?
1-Bromoethane, 1-Bromopropane, 1-Bromobutane, Bromobenzene
Complete the following analogy:
Same molecular formula but different structures: A : : Non superimposable mirror images: B
Which of the statements are correct about above reaction?
(i) (a) and (e) both are nucleophiles.
(ii) In (c) carbon atom is sp3 hybridised.
(iii) In (c) carbon atom is sp2 hybridised.
(iv) (a) and (e) both are electrophiles.
Elimination reactions (especially β-elimination) are as common as the nucleophilic substitution reaction in case of alkyl halides. Specify the reagents used in both cases.
Give the mechanism of the following reaction:
\[\ce{CH3CH2OH ->[H2SO4][413 K] CH3CH2-O-CH2CH3 + H2O}\]
Acetic anhydride from acetic acid
Which alkyl halide from the following pair would you expect to react more rapidly by an SN2 mechanism? Explain your answer.
\[\begin{array}{cc}
\ce{CH3CHCH2CH2Br}\\
|\phantom{.............}\\
\ce{CH3}\phantom{..........}\\
\end{array}\] or \[\begin{array}{cc}
\ce{CH3CH2CHCH2Br}\\
|\\
\phantom{...}\ce{CH3}\\
\end{array}\]
Which of the following reactions is an example of nucleophilic substitution reaction?
