Q. No.What type of reaction is demonstrated by the process involving a carboxylic acid, an alcohol, and an acid that results in the formation of esters?
1.
Reversible slow process
2.
Irreversible fast process
3.
Cyclic process
4.
Adiabatic process
The below reaction is an example of
\(CH_{3}CH_{2}OH \ + \ CH_{3}COCl \xrightarrow[]{\textbf{Pyridine}} \)
\( CH_{3}COOC_{2}H_{5} \ + \ HCl\)
1. Acetylation
2. Benzoylation
3. Cross aldol condensation
4. Cross Cannizzaro reaction
What is the correct sequence of reagents used for the preparation of m-Nitrobenzoic acid from benzene?
| (a) | Mg/ Dry ether |
| (b) | Br2 / FeBr3 |
| (c) | CO2 ; H3O+ |
| (d) | HNO3 + H2SO4 |
| 1. | (a) | (b) | (c) | (d) |
| 2. | (b) | (a) | (c) | (d) |
| 3. | (c) | (b) | (a) | (d) |
| 4. | (d) | (b) | (a) | (c) |
The correct sequence of reagents used for the preparation of Phenylacetic acid from benzene are :
| 1. | a= NBS, hv, and heat; b= CH3Cl/Anhyd.AlCl3; C= KMnO4+KOH; d=H3O+ |
| 2. | a= CH3Cl/Anhyd.AlCl3; b= KMnO4+KOH; C= NBS, hv, and heat; d=H3O+ |
| 3. | a= CH3Cl/Anhyd.AlCl3; b= NBS, hv, and heat; C= H3O+; d=KMnO4+KOH |
| 4. | a= CH3Cl/Anhyd.AlCl3; b= NBS, hv, and heat; C= alc.KCN; d=H |
The correct sequence of reagents used to yield p-Nitrobenzaldehyde from benzene is:
| (a) | CH3Cl /Anhyd. AlCl3 |
| (b) | HNO3 /H2SO4 |
| (c) | CS2 / CrO2Cl2 |
| (d) | H3O+ |
| 1. | (a) | (b) | (c) | (d) |
| 2. | (c) | (b) | (a) | (d) |
| 3. | (b) | (a) | (c) | (d) |
| 4. | (a) | (b) | (d) | (c) |
Chemical test(s) to distinguish between the Propanal and Propanone is :
1. Tollen’s test
2. Fehling’s test
3. Iodoform test
4. All of the above
Chemical test(s) used to distinguish between Acetophenone and Benzophenone is :
1. Tollen’s test
2. Fehling’s test
3. Iodoform test
4. All of the above
A chemical test to distinguish between Phenol and Benzoic acid is :
1. Tollen’s test
2. Fehling’s test
3. Iodoform test
4. Ferric chloride test
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.
Chemical tests to distinguish between Pentan-2-one and Pentan-3-one is -
1. Tollen’s test
2. Fehling’s test
3. Iodoform test
4. Ferric chloride test
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