An acid that forms an anhydride (X) on heating and an acid imide (Y) on strong heating with ammonia is:
1. | 2. | ||
3. | 4. |
A yellow precipitate with iodine and alkali is given by:
(i). Methyl acetate
(ii). Acetamide
(iii). 2-Hydroxypropane
(iv). Acetophenone
1. (i), and (ii)
2. (ii), and (iii)
3. (iii), and (iv)
4. (iv), and (i)
Consider the following reaction:
The product 'A' is:
1.
2.
3.
4.
Match the compounds given in List-I with List-II and select the suitable option from the code given below:
List-I | List-II |
(a) Benzaldehyde |
(i) Phenolphthalein |
(b) Phthalic anhydride |
(ii) Benzoin condensation |
(c) Phenyl benzoate |
(iii) Oil of wintergreen |
(d) Methyl salicylate |
(iv) Fries rearrangement |
Codes:
(a) | (b) | (c) | (d) | |
1. | (ii) | (i) | (iv) | (iii) |
2. | (iv) | (i) | (iii) | (ii) |
3. | (iv) | (ii) | (iii) | (i) |
4. | (ii) | (iii) | (iv) | (i) |
The reaction that does not give benzoic acid as the major product is:
1. | \(\xrightarrow{K_2Cr_2O_7}\) | 2. | \(\xrightarrow[(ii)H_3O^+]{(i)NaOCl}\) |
3. | \(\xrightarrow{PCC}\) | 4. | \(\xrightarrow{KMnO_4/H^+}\) |
The compound that does not give an iodoform test is:
1. 3-Pentanone
2. 2-Pentanone
3. Ethanol
4. Ethanal
Ethylbenzene is obtained from phenyl methyl ketone by using:
1. Zn–Hg+HCl
2. LiAlH4
3. KMnO4
4. None of the above
What is the name of the below mentioned reaction?
\(\small{\mathrm{CH}_3 \mathrm{CH}_2 \mathrm{OH}+\mathrm{CH}_3 \mathrm{COCl} \stackrel{\text { Pyridine }}{\longrightarrow} \mathrm{CH}_3 \mathrm{COOC}_2 \mathrm{H}_5+\mathrm{HCl}}\)
1. Acetylation
2. Cannizzaro reaction
3. Cross aldol condensation
4. Decarboxylation
An organic compound with the molecular formula C9H10O forms a 2,4-DNP derivative, reduces Tollens’ reagent, and undergoes the Cannizzaro reaction. On vigorous oxidation, it gives 1,2-benzenedicarboxylic acid. This organic compound will be:
1. | 2-Methyl benzaldehyde | 2. | 2-Hydroxy benzaldehyde |
3. | 2-Ethyl benzaldehyde | 4. | 4-Ethyl benzaldehyde |
The below structure is an example of :
1. | Cyanohydrin | 2. | Hemiacetal |
3. | Acetal | 4. | Cyanoalcohol |