Phenyl magnesium bromide reacts with methanol to give a mixture of:-
1. Anisole and Mg(OH)Br
2. Benzene and Mg(OMe)Br
3. Toluene and Mg(OH)Br
4. Phenol and Mg(Me)Br
When wine is put in air it become sour due to:-
(1) oxidation of C2H5OH into CH3COOH
(2) bacteria
(3) virus
(4) formic acid formation
The enzyme which can catalyse the conversion of glucose to ethanol is:
1. zymase
2. diastase
3. maltase
4. invertase
Denatured spirit is mainly used as a:
(1) good fuel
(2) drug
(3) solvent in preparing varnishes
(4) material in the preparation of oil
The reaction of ethanol with H2SO4 does not give:
1. C2H4
2. C2H5OC2H5
3. C2H2
4.C2H5HSO4
The products of combustion of an aliphatic thiol (RSH) at 298K are:-
(1) CO2(l), H2O(g)andSO2(g)
(2) CO2(g), H2O(g)andSO2(g)
(3) CO2(l), H2O(l)andSO2(g)
(4) CO2(g), H2O(l)andSO2(l)
Which reagent will convert propionic acid to propanol-1?
(1) KMnO4
(2) LiAlH4
(3) Cr2O3
(4) MnO2
A liquid was mixed with ethanol and a drop of concentrated H2SO4 was added. A compound with a fruity smell was formed. The liquid was:
(1) HCHO
(2) CH3COCH3
(3) CH3COOH
(4) CH3OH
The main product of the following reaction is:
C6H5CH2CH(OH)CH(CH3)2?
(1)
(2)
(3)
(4)
Carbolic acid is the name used for:
1. Opium
2. Phenol
3. Chloroform
4. H2CO3