Which one can differentiate between C2H5OH and CH3OH?
H2O
Na2CO3+I2
NH3
HCI
Which of the following alcohols gives the best yield of dialkyl ether on being heated with a trace of sulphuric acid?
2 - pentanol
Cyclopentanol
2 - methyl-2-butanol
1 - pentanol
The compound that undergoes dehydration very easily is
2-methypropan -2-ol
ethylalcohol
propylalcohol
methanol
Which alcohol of molecular formula C4H9OH cannot be obtained by the reduction of carbonyl compound?
2 - methylpropan - 1 - o1
2 - methyl propan - 2-o1
butanol
butal-2 o1
Which of the following does not give iodoform test?
C2H5OH
C6H5OH
(CH3)2 CHOH
All of these
3 - pentanol is an example of
primary alcohol
secondary alcohol
tertiary alcohol
aromatic alcohol
Which of the following compounds is most acidic?
CH4
C2H6
CHΞ CH
Which of the following reacts fastly with Na?
1oalcohol
2oalcohol
3oalcohol
The reactivity of all is equal
The correct order of dehydration of alcohols is.
1o > 2o > 3o
3o > 2 o > 1o
2o > 1o > 3o
1o > 3o >2o
A fruity smell is obtained by the reaction of ethanol with.
CH3COCH3
PCI5
CH3COOH
CH3CHO