Q. No.D is N-methyl aniline in the given below sequence of reaction:
\(\text A\xrightarrow{\bf\text{ reduction }}\text B\xrightarrow{\bf\text {CHCl}_3\text{/KOH}}\text C\xrightarrow{\bf\text{ reduction }}\text D\)
Structure of A can be:
1.
2.
3.
\(\mathrm{CH_3NH_2 }\)
4.
\(\text A\xrightarrow{\bf\text{ reduction }}\text B\xrightarrow{\bf\text {CHCl}_3\text{/KOH}}\text C\xrightarrow{\bf\text{ reduction }}\text D\)
Structure of A can be:
\(\mathrm{CH_3NH_2 }\)
Identify the compound that will react with Hinsberg's reagent to give a solid which dissolves in alkali.
| 1. |  |
2. |  |
| 3. |  |
4. |  |
The reagent 'R' in the given sequence of a chemical reaction is :
| 1. | HI | 2. | CuCN/KCN |
| 3. | H2O | 4. | CH3CH2OH |
The compounds 'A' and 'B' respectively are:
1. Nitrobenzene and Chlorobenzene
2. Nitrobenzene and Fluorobenzene
3. Phenol and Benzene
4. Benzene diazonium chloride and Fluorobenzene
A compound "A", when reacted with PCl5 and then with ammonia, gives "B". "B" on treatment with bromine and caustic potash produces "C". "C" on treatment with NaNO2 and HCl at C and then boiling produces ortho-cresol. Compound "A" is:
1. o-Toluic acid
2. o-Chlorotoluene
3. o-Bromotoluene
4. m-Toluic acid
| 1. | Ethylamine | 2. | Methylamine |
| 3. | Propylamine | 4. | Aniline |
Select the correct option based on statements below:
| Assertion (A): | Only a small amount of HCI is required in the reduction of nitro compounds with iron scrap and HCI in the presence of steam. |
| Reason (R): | FeCl2 formed gets hydrolyzed to release HCI during the reaction. |
| 1. | Both (A) and (R) are True and (R) is the correct explanation of (A). |
| 2. | Both (A) and (R) are True but (R) is not the correct explanation of (A). |
| 3. | (A) is True but (R) is False. |
| 4. | Both (A) and (R) are False. |
Match the compounds given in Column I with the items given in Column II.
| Column I | Column II | ||
| A. | Benzene sulphonyl chloride | I. | Zwitter ion |
| B. | Sulphanilic acid | II. | Hinsberg reagent |
| C. | Alkyl diazonium salts | III. | Dyes |
| D. | Aryl diazonium salts | IV. | Conversion to alcohols |
Codes:
| A | B | C | D | |
| 1. | II | I | IV | III |
| 2. | III | I | IV | II |
| 3. | I | IV | III | II |
| 4. | IV | III | II | I |
Match the reactions given in Column-I with the statements given in Column-II.
| Column-I | Column-II | ||
| A. | Ammonolysis | (i) | Amine with a lesser number of carbon atoms |
| B. | Gabriel phthalimide synthesis | (ii) | Detection test for primary amines. |
| C. | Hofmann bromamide reaction | (iii) | Reaction of phthalimide with KOH and R—X |
| D. | Carbylamine reaction | (iv) | Reaction of alkyl halides with NH3 |
Codes:
| A | B | C | D | |
| 1. | (ii) | (iii) | (iv) | (i) |
| 2. | (iii) | (i) | (iv) | (ii) |
| 3. | (i) | (iv) | (iii) | (ii) |
| 4. | (iv) | (iii) | (i) | (ii) |
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