Chemistry · 2025
JEE Main · 24 January 2025, Shift 1 · Q65
Following are the four molecules "P", "Q", "R" and "S". Which one among the four molecules will react with H - Br_( aq ) at the fastest rate?
Following are the four molecules "P", "Q", "R" and "S".
Which one among the four molecules will react with $\displaystyle \mathrm{H}-\mathrm{Br}_{(\mathrm{aq})}$ at the fastest rate?
Official answer
From NTA’s final answer key for this paper.
(3)
Q
More from Hydrocarbons
- The reactions which produce alcohol as the product are: A. CH_4+O_2 →[Δ]Mo_2 O_3 B. 2 CH_3 CH_3+3 O_2 →[Δ](CH_3 COO)_2 Mn C. (CH_3)_3 CH →KMnO_4 D. 2…2026
- Match List - I with List - II. List - I (Isomers of C_10 H_14 ) List - II (Ozonolysis product) (I) (II) (III) (IV) Choose the correct answer from the…2025
- An optically active alkyl halide C_4 H_9 Br[A] reacts with hot KOH dissolved in ethanol and forms alkene [B] as major product which reacts with…2025
- Ph-CH=CH_2 →[HBr](PhCOO)_2 Product Consider the above reaction A. The reaction proceeds through a more stable radical intermediate. B. The role of…2026
- The total number of aromatic compounds/species from the following is2026
- The compound (X) on (i) on heating in the presence of anhydrous AlCl_3 and HCl gas gives 2,4-dimethyl pentane (ii) aromatization gives toulene and…2026
- But-2-yne and hydrogen (one mole each) are separately treated with (i) Pd/C and (ii) Na/liq. NH_3 to give the products X and Y respectively. Identify…2026
- Identify the structure of the final product in the following sequence of the reactions: Total number of sp^2 hybridised carbon atoms in product D is…2025
JEE Main 2025 Chemistry question, with the answer from NTA’s final answer key. Where our answers come from.