The heat of hydrogenation of most alkene is about - for each double bond present in a molecule
Correct answer: A. 120 kJ/mole
- A. 120 kJ/mole
- B. 130 kJ/mole
- C. 125 kJ/mole
- D. 150 kJ/mole
Explanation
The correct answer is Option A: 120 kJ/mole. The heat of hydrogenation of most alkene is about 120 kJ/mole for each double bond present in a molecule. This value represents the energy released when hydrogen atoms are added to the double bond to form single bonds. The other options provided different values for the heat of hydrogenation, which are not accurate for alkene molecules.
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About Chemistry of Hydrocarbons
Hydrocarbons are studied through the structures and reactions of alkanes, alkenes, alkynes and aromatic compounds. Coverage includes free radical substitution in alkanes, electrophilic addition to carbon-carbon multiple bonds, benzene substitution, aromatic stability and the difference between addition reactions of alkenes and substitution reactions of benzene.
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