The heat of hydrogenation of 1-hexene is 126 kJ mol. When a second double bond is introduced in the molecule, the heat of hydrogenation of the resulting compound is found to be 230 kJ mol

Engineering

Chemistry

Resonance

Resonance Energy

Question

The heat of hydrogenation of 1-hexene is 126 kJ mol. When a second double bond is introduced in the molecule, the heat of hydrogenation of the resulting compound is found to be 230 kJ mol^–1. The resulting compound (diene) is

1 : 4 hexadiene

1 : 3 hexadiene

1 : 5 hexadiane

cannot predict from the given information

LiveFree JEE Main Previous Year Online Papers Live Free JEE Advance Previous Year Online Papers

College PredictorLive

Know your College Admission Chances Based on your Rank/Percentile, Category and Home State.

Get your JEE Main Personalised Report with Top Predicted Colleges in JoSA

It is a conjugated diene because its HOH is less than 2 × 126 = 252 kJ/mol. If it is non-conjugated diene than its HOH will be 2 × 126 = 252 kJ/mol.