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ChemistryJEE Main 2 Apr 2026, Shift 2·Q14·MCQ·Easy–moderate

Hydrocarbons · Alkane isomerisation aromatisation and cyclisation

The compound (X) on
  • (i)on heating in the presence of anhydrous AlClX3\ce{AlCl3} and HCl gas gives 2, 4–dimethyl pentane
  • (ii)aromatization gives toluene and
  • (iii)cyclisation gives methyl cyclohexane
The correct name of compound (X) is :
  1. (1)Hept-2-ene
  2. (2)Hept-1,3,5-triene
  3. (3)Heptane
  4. (4)Hept-2,4,6-triene

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See the full 2 Apr 2026, Shift 2 paper