Q. No.In the given chemical reactions,
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
The reagent 'R' in the given sequence of a chemical reaction is :
| 1. | HI | 2. | CuCN/KCN |
| 3. | H2O | 4. | CH3CH2OH |
Identify the compound that will react with Hinsberg's reagent to give a solid which dissolves in alkali.
| 1. |  |
2. |  |
| 3. |  |
4. |  |
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. |  |
| Column I | Column II | ||
| a. |  |
i. | Primary amine |
| b. |  |
ii. | Secondary amine |
| c. | \(\mathrm{(C_2H_5)_2CHNH_2}\) | iii. | Tertiary amine |
| d. | \(\mathrm{(C_2H_5)_2NH}\) |
1. a-iii; b-iii; c-i; d-ii
2. a-ii; b-iii c-i; d-ii
3. a-i; b-iii c-i; d-ii
4. a-ii; b-i c-i; d-ii
1. 5
2. 6
3. 4
4. 3
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. |
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