Advertisements
Advertisements
प्रश्न
Complete the following reaction sequence by writing the structural formulae of the organic compound 'A', 'B' and 'C'.
\[\ce{Isopropyl alcohol ->[\triangle][PBr3] A ->[][NH3 excess] B}\]
उत्तर
\[\begin{array}{cc}
\ce{H3C - CH - OH ->[\triangle][PBr3] H3C - CH - Br ->[NH3, Excess]H3C - CH - NH2}\\
|\phantom{......................}|\phantom{..........................}|\phantom{..}\\
\phantom{.......}\ce{\underset{\text{Isopropyl alcohol}}{CH3}\phantom{.......}}
\ce{\underset{\text{Isopropyl bromide (A)}}{CH3}\phantom{.........}\phantom{}}
\ce{\underset{\text{Propan-2-amine (B)}}{CH3}}
\end{array}\]
APPEARS IN
संबंधित प्रश्न
from the following pair would undergo SN2 faster from the other?
a. 
b. 
from the following pair would undergo SN2 faster from the other?
a. CH3CH2CH2I b. CH3CH2CH2Cl
Name the reagent used to bring about the following conversion.
Chlorobenzene to biphenyl
Give reasons:
Haloarenes are less reactive than haloalkanes.
Distinguish between SN1 and SN2 mechanism of substitution reaction.
Convert the following:
Benzyl alcohol to benzyl cyanide
Convert the following:
Ethanol to propane nitrile
Convert the following:
2-Chloropropane to propan-1-ol
Observe the following and answer the question given below.
Name the type of halogen derivative.
Observe the following and answer the question given below.
Comment on the bond length of C–X bond in it.
Nucleophilic substitution reaction of 2, 4-dinitrochlorobenzene is faster than p-nitrochlorobenzene. Give reason.
In alkaline hydrolysis of tertiary butyl bromide, ____________.
Which of the following is least reactive towards nucleophilic addition?
Nitroalkanes are obtained in laboratory from primary or secondary alkyl halides by the action of ______.
What type of hybridisation is present in carbocation formed during the alkaline hydrolysis of 1- bromo-1- phenyl ethane?
Identify 'B' in the following reaction.
\[\ce{2-Bromobutane ->[KOH alc.][\Delta] A ->[HI] B}\]
Write the product formed when alkyl halide reacts with silver nitrite.
The order of reactivities of the following alkyl halides for an SN2 reaction is ______.
Which of the following statements is incorrect regarding the dehydrohalogenation of alkenes?
With which halogen the reactions, of alkanes are explosive?
The compound that reacts the fastest with sodium methoxide is ______.
Observe the following and answer the question given below:
Can react by SN1 mechanism? Justify your answer.
Discuss β - elimination reaction.
Complete the following reaction sequences by writing the structural formulae of the organic compounds 'A', 'B' and 'C'.
\[\ce{2-Bromobutan ->[alc. KOH] A ->[][Br2] B ->[][NANH2] C}\]
Define and explain the SN1 mechanism with a suitable example.
Complete the following reaction giving major product.
\[\begin{array}{cc}
\ce{CH3}\phantom{...............}\\
|\phantom{..................}\\
\ce{CH3 - C - CH2 - Cl->[Na/dry ether]A}\\
|\phantom{..................}\\
\ce{CH3}\phantom{...............}\\
\end{array}\]
Complete the following reaction giving major product.
\[\begin{array}{cc}
\ce{CH3}\phantom{................}\\
|\phantom{..................}\\
\ce{CH3 - C - CH2 - Cl ->[Na/dry ether]A}\\
|\phantom{..................}\\
\ce{CH3}\phantom{................}
\end{array}\]
