Learn

Saturday, 31 October

JEE Main 2026 · ChemistryMultiple choiceSingle correctEasyApplication

JEE Main 2 April 2026, Shift 2, Chemistry Q64

Question 64 of 75 in this shift, Chemistry question 14 of 25, Section A.

The compound (X) on heating in the presence of anhydrous AlCl3_3 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)HeptaneOfficial answer
  4. (4)Hept-2,4,6-triene

Official answer

Option 3

NTA final key.

Chapter
Hydrocarbons
Topic
Alkanes and Free Radicals
Idea tested
Catalytic Isomerization of Alkanes

Same idea in other shifts

Asked 2× in all
  1. 13 Apr 2023, Shift 1 · Q74In the following reaction 'X' is CH3(CH2)4CH3→ΔAnhy.AlCl3/HCl\mathrm{CH_3(CH_2)_4CH_3}\xrightarrow[\Delta]{\text{Anhy.AlCl}_3/\text{HCl}} 'X' (major product)MediumDiagram basedHas a figure

Question text from the official JEE Main paper published by NTA; answer from the final answer key. Chapter, topic and idea tags, difficulty and skill are Lumi’s. Lumi analyses 108 of the 174 JEE Main shifts held from 2017 to 2026.