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Chapter 5: Q40P (page 222)

Which is more stable?

Short Answer

Expert verified

a) 1st compound is more stable.

b) 2nd compound is more stable.

c) 2nd compound is more stable.

Step by step solution

01

Reasons of stability

Among all the compounds, the stability of these alkenes is determined by the numbers of alpha H attached to the alpha carbon along the double bond. The more is the no of alpha H, the more is the stability of that alkene.

02

 Measurement of Stability

If we calculate the no of alpha H along the Double bond, we can identify the stability comparison between them.

So, between these two, the 1st one is more stable.

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Most popular questions from this chapter

Use what the curved arrows tell you about electron movement to determine the product(s) of each reaction step.

a. For which reaction in each set will 鈭哠掳 be more significant?

b. For which reaction will 鈭哠掳 be positive?

Draw curved arrows to show the movement of the electrons that result in formation of the given product(s).

Draw curved arrows to show the movement of the electrons that result in formation of the given product(s).

For a reaction carried out at 25掳C with an equilibrium constant of 1 脳 10鈭�3, in order to increase the equilibrium constant by a factor of 10:

a. How much must 螖G掳 change?

b. How much must 螖H掳 change if 螖S掳 = 0 kcal mol-1 K-1?

c. How much must 螖S掳 change if 螖H掳 = 0 kcal mol-1?
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