Vanillin, used as a flavouring agent, is:
1. An Aliphatic alcohol
2. An Aromatic aldehyde
3. A Hydrocarbon
4. A Carbohydrate
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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
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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)
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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 |
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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.
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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. | \(\xrightarrow{KMnO_4/H^+}\) |
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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 |
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