Previous year questions with solutions · 2024 – 2026
| Year | Questions | Papers | Avg / paper | Weightage |
|---|---|---|---|---|
| 2026 | 20 | 19 | 1.1 | 4.21% ▼ 9.1% vs last year |
| 2025 | 22 | 19 | 1.2 | 4.63% ▲ 46.5% vs last year |
| 2024 | 19 | 21 | 0.9 | 3.16% |
The cycloalkene (X) on bromination consumes one mole of bromine per mole of (X) and gives the product (Y) in which C : Br ratio is 3:1. The percentage of bromine in the product (Y) is %. (Nearest integer) (Given : molar mass in g mol-1 H : 1, C : 12, O : 16, Br : 80)
A compound ' X ' absorbs 2 moles of hydrogen and ' X ' upon oxidation with KMnO4 | H+ gives [figure] The total number of bonds present in the compound ' X ' is .
[figure] Consider the given reaction. The total number of oxygen atom/s present per molecule of the product (P) is .