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ChemistryNEET 2024Alkenes and alkynes: addition reactions, Markovnikov

Hydrocarbons

Match List I (reactions, shown as structures) with List II (reagents/conditions):

I. (reagent shown in figure) · II. CrO3\mathrm{CrO_3} · III. KMnO4/KOH\mathrm{KMnO_4/KOH}, Δ⋅\Delta \cdot IV. (i) O3\mathrm{O_3} (ii) Zn\mathrm{Zn}–H2O\mathrm{H_2O}

Choose the correct answer from the options given below:

Question 59 as printed in the NEET 2024 booklet

  1. A.A-III, B-I, C-II, D-IV
  2. B.A-IV, B-I, C-II, D-III✓
  3. C.A-I, B-IV, C-II, D-III
  4. D.A-IV, B-I, C-III, D-II

Solution

A: cleaving a C=C to two ketones is ozonolysis, (i) O3\mathrm{O_3} (ii) Zn–H2O\mathrm{H_2O} (IV). B: benzophenone from benzene is Friedel–Crafts acylation with benzoyl chloride/AlCl3\mathrm{AlCl_3} (I). C: cyclohexanol to cyclohexanone uses CrO3\mathrm{CrO_3} (II). D: ethylbenzene to benzoate needs KMnO4/KOH\mathrm{KMnO_4/KOH}, Δ(\Delta (III). A-IV, B-I, C-II, D-III.

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