Advertisements
Advertisements
प्रश्न
Show how will you synthesize pentan-1-ol using a suitable alkyl halide.
Advertisements
उत्तर
Hydrolysis of 1-bromopentane by aqueous NaOH gives pentan-1-ol.
\[\ce{\underset{1-bromopentane}{CH3 - CH2 - CH2 - CH2 - CH2 - Br} + NaOH ->[\Delta][S_N2 Hydrolysis ] \underset{pentan-1-ol}{CH3CH2CH2CH2 - CH2 - OH} + NaBr}\]
APPEARS IN
संबंधित प्रश्न
Write the mechanism of the following reaction:

Ortho and para nitrophenols are more acidic than phenol. Draw the resonance structures of the corresponding phenoxide ions.
Give the equation of the following reaction:
Treating phenol with chloroform in the presence of aqueous NaOH.
Write the mechanism of acid-catalysed dehydration of ethanol to yield ethene.
Name the reagent used in the following reaction:
Oxidation of a primary alcohol to carboxylic acid.
Lucas test is used for the detection of _____________.
In the reduction \[\ce{R - CHO + H2 -> RCH2OH}\] the catalyst used is:
By which of the following methods alcohol can be prepared in excellent yield?
Primary and secondary alcohols on the action of reduced copper give:
During dehydration of alcohols to alkenes by heating with cone. H2SO4 the initial step is ____________.
Identify the secondary alcohols from the following set:
- \[\ce{CH3CH2CH(OH)CH3}\]
- \[\ce{(C2H5)3COH}\]


Explain why is OH group in phenols more strongly held as compared to OH group in alcohols.
Explain why nucleophilic substitution reactions are not very common in phenols.
In Kolbe’s reaction, instead of phenol, phenoxide ion is treated with carbon dioxide. Why?
What happens when (CH3)3 C – OH is heated with Cu/573 K?
Write the chemical equation in support of your answer.
Write the mechanism of acid dehydration of ethanol to yield ethene.
Write the mechanism of acid dehydration of ethanol to yield ethene.
Write the mechanism of acid dehydration of ethanol to yield ethene.
Write the mechanism of acid-catalysed dehydration of ethanol to yield ethene.
