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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. CH3CH2CH2I b. CH3CH2CH2Cl
Complete the following reaction giving major product.
\[\begin{array}{cc}\ce{CH3\phantom{................}}\\
|\phantom{...................}\\
\ce{CH3 - C - CH2 - Cl ->[Na/dry ether] A}\\
|\phantom{...................}\\
\ce{CH3\phantom{................}}
\end{array}\]
Name the reagent used to bring about the following conversion.
1-Chloropropane to 1-nitropropane
Name the reagent used to bring about the following conversion.
Ethyl bromide to ethyl isocyanide
Name the reagent used to bring about the following conversion.
Chlorobenzene to biphenyl
Distinguish between SN1 and SN2 mechanism of substitution reaction.
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.
Comment on the bond length of C–X bond in it.
Propane nitrile can be prepared by heating ____________
Explain. Aryl halides are less reactive than alkyl halides towards nucleophilic substitution reactions.
Explain the factors affecting SN1 and SN2 mechanism.
What is dehydrohalogenation? State the rule for the formation of the preferred product of dehydrohalogenation.
Which of the following is least reactive towards nucleophilic addition?
Which one is most reactive towards nucleophilic addition reaction?
\[\ce{C6H5CH2Cl + KCN(alc) -> X + Y}\]
Compounds X and Y are ____________.
The SN2 reaction of a compound containing an asymmetric carbon atom always gives ____________.
Identify major product 'B' in the following reaction.
\[\ce{But-1-ene ->[HBr][Peroxide] A ->[AgCN][\Delta] B}\]
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.
Which of the following statements is incorrect regarding the dehydrohalogenation of alkenes?
With which halogen the reactions, of alkanes are explosive?
Complete the following reactions giving a 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 a major product.
\[\begin{array}{cc}
\ce{CH3}\phantom{.................}\\
|\phantom{...................}\\
\ce{CH3 - C - CH2 - Cl->[Na/dry ether]A}\\
|\phantom{..................}\\
\ce{CH3}\phantom{................}
\end{array}\]
Observe the following and answer the question given below:
Comment on the bond length of C-X bond in it.
Observe the following and answer the question given below:
Can react by SN1 mechanism? Justify your answer.
Define and explain the SN1 mechanism with a suitable example.
Complete the following reaction giving major product.
\[\begin{array}{cc}
\ce{CH3}\phantom{.................}\\
|\phantom{...................}\\
\ce{CH3 - C - CH2 - Cl ->[Na/dry ether] A}\\
|\phantom{...................}\\
\ce{CH3}\phantom{.................}
\end{array}\]
