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
Consider the reaction scheme given below:

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-enal, Z- semicarbazone |
| 4. | A-ethanol, X-acetaldehyde, Y-butanone, Z-hydrazone |
Which one is the most acidic compound ?

Which named reaction involves the formation of an ether by the reaction of an alkoxide ion with an alkyl halide?

1. Alcohol formation reaction
2. Dehydration reaction
3. Williamson alcohol synthesis reaction
4. Williamson ether synthesis reaction
Which functional group is introduced into phenol when it is treated with chloroform in the presence of dilute NaOH?
1. -CH2Cl
2. -COOH
3. -CHCl2
4. -CHO
Which of the following is not the product of dehydration of

1. 
2. 
3. 
4. 
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.
Acetophenone when reacted with a base, C2H5ONa, yields a stable compound which has the structure


The reaction:
Which of the following compounds will be formed?
(1)
(2)
(3)
(4)