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प्रश्न
What is the action of the following on ethyl bromide
alcoholic solution of potassium hydroxide.
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उत्तर
\[\ce{\underset{\text{ethylbromide}}{C2H5Br} + alc KOH ->\underset{\text{ethene}}{CH2} = CH2 + KBr + H2O}\]
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संबंधित प्रश्न
Which would undergo SN1 reaction faster in the following pair and why?
Write the structure of the major product in each of the following reaction :
What are ambident nucleophiles? Explain with an example.
Arrange the compounds of the following set in order of reactivity towards SN2 displacement:
2-Bromo-2-methylbutane, 1-Bromopentane, 2-Bromopentane
Out of C6H5CH2Cl and C6H5CHClC6H5, which is more easily hydrolysed by aqueous KOH.
How the following conversion can be carried out?
Ethyl chloride to propanoic acid.
C–Cl bond length in chlorobenzene is shorter than C–Cl bond length in CH3–Cl.
The stability order for carbocation is _______.
(A) 2° > 3° > 1°
(B) 3° > 2° > 1°
(C) 3° > 1° > 2°
(D) 1° > 3° > 2°
Identify 'A' in the following reaction -
(a) 2- Bromo-2 methylbutane
(b) 1 -Bromo-2,2-dimethylpropane
(c) 1 - Bromo - 3 -methylbutane
(d) 1 - Bromo- 2 -methylpropane
Which of the following is optically inactive?
Which of the following is an example of SN2 reaction?
Optically active isomers but not mirror images are called ____________.
Which among MeX, RCH2X, R2CHX and R3CX is most reactive towards SN2 reaction?
Which of the following is the correct order of decreasing SN2 reactivity?
Which of the following compounds is optically active?
Racemic compound has ____________.
Complete the following analogy:
Same molecular formula but different structures: A : : Non superimposable mirror images: B
Which reagent will you use for the following reaction?
\[\ce{CH3CH2CH2CH3 -> CH3CH2CH2CH2Cl + CH3CH2CHClCH3}\]
Which of the following is the definition of chirality?
Which one is the correct order of nucleophilic strength (pKa) of following nucleophiles?
The major product formed in the following reaction is:
Which of the following compounds will show retention in configuration on nucleophile substitution by OH− ion?
Retention of configuration is observed in ______.
Acetic anhydride from acetic acid
Discuss the mechanism of alkaline hydrolysis of methyl bromide.
Which alkyl halide from the following pair would you expect to react more rapidly by an SN2 mechanism? Explain your answer.
\[\begin{array}{cc}\ce{CH3CH2CHCH3}\\
\phantom{.....}|\\
\phantom{......}\ce{Br}\\
\end{array}\] or \[\begin{array}{cc}\phantom{.......}\ce{CH3}\\
\phantom{...}|\\
\ce{H3C - C - Br}\\
\phantom{...}|\\
\phantom{.......}\ce{CH3}\\
\end{array}\]
Which one of the following chlorohydrocarbons readily undergoes solvolysis?
