Sodium phenoxide when heated with CO2 under pressure at 125°C yields a product which on acetylation produces C.
The major product C would be :
(1)
(2)
(3)
(4)
A compound with molecular formula C4H10O3 is converted by the action of acetyl chloride to a compound with molar mass 190. The original compound has:
(1) one OH group
(2) two OH groups
(3) three OH groups
(4) no OH group
Phenyl ethyl ether with concentrated hydrobromic acid on boiling yields:-
1. Phenol and ethyl bromide
2. Bromobenzene and ethanol
3. Phenol and ethane
4. Bromobenzene and ethane
The compound that does not react with sodium is-
1. CH3CHOHCH3
2. CH3 —O—CH3
3. CH3COOH
4. C2H5OH
An organic compound A reacts with sodium metal and forms B. On heating with conc. H2SO4, A gives diethyl ether. So A and B are:
1. C3H7OH and CH3ONa
2. CH3OH and CH3ONa
3. C4H9OH and C4H9ONa
4. C2H5OH and C2H5ONa
Phenol on treatment with dil. HNO3 at room temperature gives-
1. | |
2. | |
3. | |
4. | All of the above |
Identify A and predict the type of reactions
1. and substitution reaction
2. and elimination addition reaction
3. and cine substitution reaction
4. and cine substitution reaction
Identify A, X, Y and Z
(1) A-methoxymethane, X-ethanoic acid, Y-acetate ion, Z-hydrazine
(2) A- methoxymethane, X-ethanol, Y-ethanoic acid, Z- semicarbazide
(3) A-Acetaldehyde, X-ethanol, Y-but-2-en-1-ol, Z- semicarbazone
(4) A-ethanol, X-acetaldehyde, Y-butanone, Z-hydrazone
Which one is the most acidic compound ?
The reaction
can be classified as
1. Alcohol formation reaction
2. Dehydration reaction
3. Williamson alcohol synthesis reaction
4. Williamson ether synthesis reaction