Reaction of phenol with chloroform in the presence of dilute sodium hydroxide finally
introduces, which one of the following functional group?
1. -CH2Cl
2. -COOH
3. -CHCl2
4. -CHO
Among the following ethers, the one that will produce methyl alcohol on treatment with hot concentrated HI is:
1. | 2. | |
|
3. | |
4. |
H2COH.CH2OH on heating with periodic acid gives :-
1. 2CO2
2. 2HCOOH
3. CHO-CHO
4.
The major organic product in the reaction, CH3 — O — CH(CH3)2 + HI Product is :
(1) CH3OH+(CH3)2CHI
(2) ICH3OCH(CH3)2
(3) CH3O CI(CH3)2
(4) CH3I+(CH3)2CHOH
Ethylene oxide when treated with Grignard reagent yields :
(1) secondary alcohol
(2) tertiary alcohol
(3) cyclopropyl alcohol
(4) primary alcohol
The reaction
can be classified as
1. Alcohol formation reaction
2. Dehydration reaction
3. Williamson alcohol synthesis reaction
4. Williamson ether synthesis reaction
Which one is the most acidic compound ?
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
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
Phenol on treatment with dil. HNO3 at room temperature gives-
1. | |
2. | |
3. | |
4. | All of the above |