The heat of hydrogenation of CH2=CH2 is 30 kcal/mol, what is the heat of hydrogenation of 1, 3 butadiene?

Question

The heat of hydrogenation of CH2=CH2 is 30 kcal/mol, what is the heat of hydrogenation of 1, 3 butadiene? (A) 63 kcal/mol (B) 57 kcal/mol (C) 60 kcal/mol (D) 30 kcal/mol

Tardigrade Admin · Accepted Answer

The heat of hydrogenation of 1, 3-butadiene is 57 kcal/mol due to the - conjugation in 1, 3-butadiene.

Q. The heat of hydrogenation of CH2​=CH2​ is 30 kcal/mol, what is the heat of hydrogenation of 1, 3 butadiene?

63 kcal/mol

57 kcal/mol

60 kcal/mol

30 kcal/mol

The heat of hydrogenation of 1, 3-butadiene is 57 kcal/mol due to the - conjugation in 1, 3-butadiene.

Q. The heat of hydrogenation of $C H_{2} = C H_{2}$ is 30 kcal/mol, what is the heat of hydrogenation of 1, 3 butadiene?