Advertisements
Advertisements
Question
Convert the following:
acetaldehyde to isopropyl alcohol.
Advertisements
Solution
\[\begin{array}{cc}
\phantom{.}\ce{O}\phantom{......................}\ce{OMgBr}\phantom{...................}\ce{OH}\\
||\phantom{.......................}|\phantom{.............}\phantom{.............}|\phantom{..}\\
\ce{\underset{Acetaldehyde}{CH3 - C - H}->[CH3MgBr]CH3 - CH - CH3}\ce{\underset{-Mg (OH)Br}{->[H3O-]}\underset{Isopropyl alcohol}{CH3 - CH - CH3}}\\
\end{array}\]
APPEARS IN
RELATED QUESTIONS
Give reasons for the following: Butan-1-ol has a higher boiling point than diethyl ether.
Alcohols are comparatively more soluble in water than hydrocarbons of comparable molecular masses. Explain this fact.
Give reason for the higher boiling point of ethanol in comparison to methoxymethane.
`CH_3-CH_2-Br"Alcoholic KOH"/""> B " HBR"/"">C"Na/Eather"/"">D`, the Compound D is
(A) ethane
(B) propane
(C) n-butane
(D) n-pentane
Give simple chemical tests to distinguish between the following pairs of compounds :
Ethanol and phenol
Arrange the following compounds in the increasing order of their acid strength:
p-cresol, p-nitrophenol, phenol
Identify the chiral molecule in the following pair :
Write a chemical reaction to show that the open structure of D-glucose contains the following :
Five alcohol groups
Alcohols have high boiling points because of ____________.
Isopropyl alcohol is obtained by reacting which of the following alkenes with concentrated H2SO4 followed by boiling with H2O?
Alcohols of low molecular weight are _____________.
Which of the following has lowest boiling point?
Which one of the following alcohols is least soluble in water?
Explain why alcohols and ethers of comparable molecular mass have different boiling points?
A solution of phenol in chloroform when treated with aqueous NaOH gives compound P as a major product. The mass percentage of carbon in P is ______. (to the nearest integer) (Atomic mass: C = 12; H = 1; O = 16)
Arrange the following in order of increasing boiling point:
Ethoxyethane, Butanal, Butanol, n-butane
Assertion (A): Alcohols react both as nucleophiles and electrophiles.
Reason (R): The bond between C–O is broken when alcohols react as nucleophiles.
Select the most appropriate answer from the options given below:
What is esterifications? How is an ester obtained from alcohol or phenol?
How are the following conversions carried out?
Methyl magnesium bromide → 2 -Methylpropan-2-ol.
How is the following conversion carried out?
\[\ce{Methyl magnesium bromide-> 2-Methylpropan-2-ol}\]
How is the following conversion carried out?
\[\ce{Methyl magnesium bromide ->2-Methylpropan-2-ol}\]
How is the following conversions carried out?
\[\ce{Methyl magnesium bromide → 2-Methylpropan-2-ol}\].
