Vanillin, used as a flavouring agent, is:
1. An Aliphatic alcohol
2. An Aromatic aldehyde
3. A Hydrocarbon
4. A Carbohydrate
A compound that can be reduced to the corresponding hydrocarbon by Zn-Hg/ conc. HCl is:
1. Butan-2-one
2. Acetic acid
3. Acetamide
4. Ethyl acetate
The most reactive compound towards the nucleophilic addition reaction is:
1. | Benzaldehyde | 2. | p-Tolualdehyde |
3. | p-Nitrobenzaldehyde | 4. | Acetophenone |
2-Methyl propene on oxidation with hot KMnO4 gives:
1. Acetone
2. Ethanoic acid
3. CO2 and H2O
4. Both 1 & 3
The compounds that undergoes the Cannizzaro reaction are:
(i) Methanal
(ii) 2-Methylpentanal
(iii) Benzaldehyde
(iv) Benzophenone
1. (i)
2. (ii)
3. (i), (iii)
4. (i), (ii), (iii)
Match the common names given in Column I with the IUPAC names given in Column II.
Column l (Common names) |
Column ll (IUPAC names) |
A. Cinnamaldehyde | 1. Pentanal |
B. Acetophenone | 2. Prop-2-enal |
C. Valeraldehyde | 3. 1-phenylethanone |
D. Acrolein | 4. 3-Phenylprop-2-en-al |
Codes
A | B | C | D | |
1. | 2 | 3 | 4 | 1 |
2. | 3 | 1 | 4 | 2 |
3. | 1 | 4 | 3 | 2 |
4. | 4 | 3 | 1 | 2 |
Which chemical test is used to distinguish between benzoic acid and ethyl benzoate?
1. Tollens' test
2. Fehling’s test
3. Iodoform test
4. Sodium bicarbonate test.
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 correct statement among the following about HCOOH is:
1. It is a stronger acid than CH3COOH
2. It reduces Tollen’s reagent
3. It gives CO and H2O on heating with conc.H2SO4
4. All of the above
Match the acids given in Column I with their correct IUPAC names given in Column II and mark the appropriate option:
Column l (Acids) |
Column ll (IUPAC names) |
A. Phthalic acid | 1. Hexane-1,6-dioic acid |
B. Glutaric acid | 2. Benzene-1,2-dicarboxylic acid |
C. Succinic acid | 3. Pentane-1,5-dioic acid |
D. Adipic acid | 4. Butane-1,4-dioic acid |
Codes
A | B | C | D | |
1. | 2 | 3 | 4 | 1 |
2. | 3 | 1 | 4 | 2 |
3. | 1 | 4 | 3 | 2 |
4. | 4 | 3 | 2 | 1 |