Which of the following is poisonous?
Methanol
Ethanol
Glycerol
Castor oil
Which among the following compounds will give a secondary alcohol on reacting with Grignard reagent followed by acid hydrolysis?
II only
III only
II and III
II and IV
An organic compound 'X' is oxidised by using acidified K2Cr2O7. The product obtained reacts with phenyl hydrazine but does not answer silver mirror test. The possible structure of X is
CH3COCH3
(CH3)2CHOH
CH3CHO
CH3CH2OH
Which is/are weaker acid than water?
Alcohols
Mercaptans
Both (a) and (b)
Which of the following compounds is most acidic?
CH4
C2H6
CHΞ CH
C2H5OH
Methanol and ethanol are miscible in water due to
Covalent character
Hydrogen bonding character
Oxygen bonding character
None of the above
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
Wood spirit is known as
Acetone
Benzene
The compound that undergoes dehydration very easily is
2-methypropan -2-ol
Ethylalcohol
The density of glycerol is higher than propanol due to
van der waal's attraction
hydrogen bonding
ionic bonding