exam 4 - H 2 /Pd (more exothermic >; less...

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Which of the following are conjugated dienes? only  1 only  3 only  and  3 and  4 Feedback: Correct. A conjugated diene has two carbon-carbon double bonds separated by one carbon-carbon  single bond, i.e., C=C-C=C. Which of the following dienes undergoes the least exothermic hydrogenation upon treatment with H 2 /Pd?  4 1 3 2
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What is the correct order of exothermicity for hydrogenation of the following hexadienes upon treatment with 
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Unformatted text preview: H 2 /Pd (more exothermic >; less exothermic)? 2 >; 1 >; 3 1 >; 2 >; 3 3 >; 1 >; 2 3 >; 2 >; 1 Which of the following arrangements of p orbitals gives the lowest energy -bonding molecular orbital of 1,3- butadiene? 2 3 4 1 Which of the following arrangements of p orbitals gives the highest energy -antibonding molecular orbital of 1,3-butadiene? 4 2 3 1...
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exam 4 - H 2 /Pd (more exothermic >; less...

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