The descending order of basicity of the following amines is : Choose the correct answer from the options given below :
- E > A > D > C > B
- E > D > A > B > C
- E > D > B > A > C
- B > E > D > A > C
Previous year questions with solutions · 2025 – 2026
| Year | Questions | Papers | Avg / paper | Weightage |
|---|---|---|---|---|
| 2026 | 29 | 19 | 1.5 | 6.11% ▲ 52.6% vs last year |
| 2025 | 19 | 19 | 1 | 4.00% |
The descending order of basicity of the following amines is : Choose the correct answer from the options given below :
The major product (A) formed in the following reaction sequence is [figure]
Identify [A], [B] and [C], respectively in the following reaction sequence : [figure]
In the following reactions, which one is NOT correct?
The sequence from the following that would result in giving predominantly 3,4,5-Tribromoaniline is :
The correct order of basic nature in aqueous solution for the bases NH3, H2N-NH2, CH3CH2NH2, (CH3CH2)2NH and (CH3CH2)3N is :
When a concentrated solution of sulphanilic acid and 1-naphthylamine is treated with nitrous acid (273 K) and acidified with acetic acid, the mass (g) of 0.1 mole of product formed is: (Given molar mass in g mol-1 H : 1, C : 12, N : 14, O : 16, S : 32)
Given below are some nitrogen containing compounds : [figure] Each of them is treated with HCl separately. 1.0 g of the most basic compound will consume mg of HCl. (Given molar mass in g mol-1 C : 12, H : 1, O : 16, Cl : 35.5)
Which one of the following reaction sequences will give an azo dye?
Consider the following sequence of reactions: [figure] 11.25 mg of chlorobenzene will produce 10-1 mg of product B. (Consider the reactions result in complete conversion.) [Given molar mass of C, H, O, N and Cl as 12, 1, 16, 14 and 35.5 g mol-1 respectively]
Identify correct statements : Choose the correct answer from the options given below :
For reaction [figure] The correct order of set of reagents for the above conversion is :
Which among the following react with Hinsberg's reagent? Choose the correct answer from the options given below :
Consider the following sequence of reactions to produce major product (A) [figure] Molar mass of product (A) is g mol-1. (Given molar mass in g mol-1 of C : 12, H : 1, O : 16, Br : 80, N : 14, P : 31)
Consider the following sequence of reactions. [figure] Total number of sp3 hybridised carbon atoms in the major product C formed is .
The products formed in the following reaction sequence are : [figure]
Consider the following sequence of reactions : [figure] Molar mass of the product formed (A) is g mol-1.
Match the Compounds (List - I) with the appropriate Catalyst/ Reagents (List - II) for their reduction into corresponding amines. Choose the correct answer from the options given below :