Hydrogenation of Double and Triple Bonds Is an Important Industrial

question 73

Multiple Choice

Hydrogenation of double and triple bonds is an important industrial process. Calculate (in kJ) the standard enthalpy change H° for the hydrogenation of ethyne (acetylene) to ethane.

• A) -296 kJ
• B) -51 kJ
• C) 51 kJ
• D) 296 kJ
• E) 381 kJ

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