Q. No.The reactant 'A' in the below-mentioned reaction is:
1.
Benzoyl chloride
2.
Toluene
3.
Acetophenone
4.
Benzoic acid
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)
Match the compounds given in List -I with their characteristic reactions given in List -II. Select the correct option.
| List – I (Compounds) |
List – II (Reactions) | ||
| (a) | CH3CH2CH2CH2NH2 | (i) | Alkaline hydrolysis |
| (b) | CH3C≡CH | (ii) | With KOH (alcohol) and CHCl3 produce a bad smell. |
| (c) | CH3CH2COOCH3 | (iii) | Gives white ppt. with ammoniacal AgNO3 |
| (d) | CH3CH(OH)CH3 | (iv) | With Lucas' reagent cloudiness appears after 5 minutes. |
Options:
| (a) | (b) | (c) | (d) | |
| 1. | (iii) | (ii) | (i) | (iv) |
| 2. | (ii) | (iii) | (i) | (iv) |
| 3. | (iv) | (ii) | (iii) | (i) |
| 4. | (ii) | (i) | (iv) | (iii) |
An acid that forms an anhydride (X) on heating and an acid imide (Y) on strong heating with ammonia is:
| 1. |  |
2. |  |
| 3. |  |
4. |  |
Acetaldehyde reacts with semicarbazide to yield the following as a product:
| 1. | \( {CH_3CH=NHNH_2} ~\) |
| 2. | \({CH_3CH=NCONHNH_2}~~~\) |
| 3. | \({CH_3CH=NNH-CO-NH_2}~~~~~\) |
| 4. |  |
In a set of the given reactions, acetic acid yielded a product C.
\(\mathrm{CH_3COOH+PCl_5\rightarrow A\xrightarrow[Anh.AlCl_3]{C_6H_6}B\xrightarrow[ether]{C_2H_5MgBr}C}\)
Product C would be:
| 1. | CH3CH(OH)C2H5 |
| 2. | CH3COC6H5 |
| 3. | CH3CH(OH)C6H5 |
| 4. |  |
In the above reaction, the structure of ‘A’ and the type of isomerism shown in the final product are, respectively,:
| 1. | Prop-1-en-2-ol and Metamerism |
| 2. | Prop-1-en-1-ol and Tautomerism |
| 3. | Prop-2-en-2-ol and Geometrical isomerism |
| 4. | Prop-1-en-2-ol and Tautomerism |
The most reactive compound among the following toward nucleophilic addition reaction is:
| 1. |  |
2. |  |
| 3. |  |
4. |  |
Match the reaction given in Column I with the corresponding name of the reaction given in Column II.
| Column-I | Column-II | ||
| (a) | C6H5CHO + NaOH ⟶ C6H5COOH + C6H5CH2OH | (i) | Rosenmund reduction |
| (b) | \(\small(C_{6}H_{6} \ + \ CH_{3}Cl \ \xrightarrow[]{Anhyd.AlCl_{3}} C_{6}H_{5}CH_{3}\) | (ii) | Kolbe's reaction |
| (c) | \(\mathrm{RCOCl}+\mathrm{H}_2 \ \xrightarrow[]{Pd/BaSO_{4}} \ \text { RCHO }\) | (iii) | Claisen reaction |
| (d) | C6H5OH + NaOH + CO2 \(\xrightarrow[2. \ H^{+}]{1. \ Heat}\) Salicylic acid | (iv) | Cannizzaro reaction |
| (v) | Friedel-Craft's reaction | ||
The correct match is:
| Options: | (a) | (b) | (c) | (d) |
| 1. | iv | v | i | ii |
| 2. | v | i | ii | iii |
| 3. | v | iii | ii | i |
| 4. | iv | ii | iii | i- |
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