CBSE
Multiple Choice QuestionsReaction of ethyl formate with excess of CH3MgI followed by hydrolysis gives
n-propyl alcohol
isopropyl alcohol
acetaldehyde
acetone
In Williamson's synthesis, ethoxyethane is prepared by :
passing ethanol over heated alumina
heating sodium ethoxide with ethyl bromide
treating ethyl alcohol with excess of H2SO4 at 430-440 K
heating ethanol with dry Ag2O
In the given reaction ,
R-OH + HX RX + H2O
the order of reactivity of alcohols is:
tertiary < secondary < primary
tertiary > secondary > primary
tertiary < secondary > primary
secondary > primary > tertiary
The correct order of reactivity of phenyl Magnesium bromide with the following compound is:
(II)> (III)> (I)
(I)> (III)> (II)
(II)> (I)> (III)
(I)> (II)> (III)
Phenol reacts with chloroform in presence of
H2SO4
KOH
NaNO2/ HCl
G.R.
Phenol and benzoic acid are distinguished by
NaOH
NaHCO3
Na2CO3
H2SO4
reacts with acetic acid in presence of Hg2+ to give:
None of these
The alcohol that produces turbidity immediately with ZnCL2 + conc. HCl at room temperature:
1- hydroxybutane
2- hydroxybutane
2- hydroxy -2- methyl propane
1- hydroxy -2- methyl propane
The compound which reacts faster with Lucas reagent is
butan-1-ol
butan-2-ol
2-methyl-propan-1-ol
2-methyl propan-2-ol
Which among the following alcohols is most reactive with sodium wire?
Ethanol
2-Propanol
2-Butanol
2-Methyl-2-butanol
