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प्रश्न
The following will react faster by SN1 mechanism
विकल्प
1-chloropropane
2-chloropropane
2-chloro-2-methylpropane
chloroethane
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उत्तर
2-chloro-2-methylpropane
Explanation:
Reactivity order of alkyl halides towards SN1 mechanism: 3° > 2° > 1° > CH3X
संबंधित प्रश्न
from the following pair would undergo SN2 faster from the other?
a. CH3CH2CH2I b. CH3CH2CH2Cl
Complete the following reaction giving major product.
\[\begin{array}{cc}\ce{CH3\phantom{................}}\\
|\phantom{...................}\\
\ce{CH3 - C - CH2 - Cl ->[Na/dry ether] A}\\
|\phantom{...................}\\
\ce{CH3\phantom{................}}
\end{array}\]
Convert the following:
Propene to propan-1-ol
Convert the following:
Ethanol to propane nitrile
HCl is added to a hydrocarbon ‘A’ \[\ce{(C4H8)}\] to give a compound ‘B’ which on hydrolysis with aqueous alkali forms tertiary alcohol ‘C’ \[\ce{(C4H10O)}\]. Identify ‘A’ ,‘B’ and ‘C’.
Complete the following reaction sequence by writing the structural formulae of the organic compound 'A', 'B' and 'C'.
\[\ce{2-Bromobutane->[Alc.KOH]A->[][Br2]B->[][NaNH2]C}\]
Major product of the following reaction is _______________
\[\ce{CH3-CH2-Mg-Br + NH3 ->?}\]
Write the correct order of increasing ease of dehydrohalogenation.
\[\ce{\underset{\text{(I)}}{CH3 - CH2 - CH2 - Cl}}\]
\[\ce{\underset{\text{(II)}}{CH3 - CH(Cl) - CH3}}\]
\[\begin{array}{cc}
\ce{CH3}\\
|\\
\ce{CH3-C-Cl}\phantom{...}\\
|\\
\ce{CH3}\\
\ce{(III)}
\end{array}\]
Explain aqueous alkaline hydrolysis of tert. butyl bromide.
What is dehydrohalogenation? State the rule for the formation of the preferred product of dehydrohalogenation.
In alkaline hydrolysis of tertiary butyl bromide, ____________.
Which of the following is least reactive towards nucleophilic addition?
Which one is most reactive towards nucleophilic addition reaction?
What is the major product obtained in the sulphonation of chlorobenzene with concentrated sulphuric acid?
The order of reactivities of the following alkyl halides for an SN2 reaction is ______.
The order of reactivity of the given haloalkanes towards nucleophiles is:
With which halogen the reactions, of alkanes are explosive?
Complete the following reaction giving major products.
\[\begin{array}{cc}
\ce{CH3}\phantom{.......}\\
|\phantom{.........}\\
\ce{CH3 - c - CH2 - Cl ->[Na/dry ether]}\\
|\phantom{.........}\\
\ce{CH3}\phantom{.......}
\end{array}\]
Observe the following and answer the question given below:
Can react by SN1 mechanism? Justify your answer.
Discuss β - elimination reaction.
Complete the following reactions giving major product.
\[\begin{array}{cc}
\ce{CH3}\phantom{................}\\
|\phantom{...................}\\
\ce{CH3 - C - CH2 - Cl ->[Na/dry ether] A}\\
|\phantom{...................}\\
\ce{CH3}\phantom{.................}
\end{array}\]
Define and explain the SN1 mechanism with a suitable example.
What is the action of following on ethyl bromide?
alcoholic sodium hydroxide
Complete the reaction:
\[\ce{CH3CH2Cl ->[AgCN][alc.\Delta]}\] ?
Give a reason for the following:
Ethoxy ethane with conc. HI at 373 K gives C2H5OH and CH3I but not CH3OH and C2H5I.
Which of the following pair of compounds on heating gives butanenitrile?
Identify the substrate 'X' in the following reaction.
\[\ce{\underset{}{X + O2} ->[i) Co-naphtenate 423 K][ii) dil HClΔ] \underset{\underset{}{}}{Phenol + Acetone}}\]
