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Chapter 5: Q4TP (page 228)

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

Short Answer

Expert verified

鈥� As new covalent bonds are formed and existing covalent bonds are destroyed, electrons move in curved arrows.

鈥� Each arrow represents the movement of two electrons (an electron pair) from a single atom to an electrophile (nucleophile) at the end of the arrow (at the point of the arrow).

鈥� The arrow's tail denotes the location of the reactant's electrons; the tail always starts at a lone pair or a bond.

鈥� The arrow's head always points to an atom or a bond, indicating where these same electrons end up in the result.

Step by step solution

01

The first step is to use a curved arrow

鈥� As new covalent bonds are formed and existing covalent bonds are destroyed, electrons move in curved arrows.

鈥� Each arrow represents the movement of two electrons (an electron pair) from a single atom to an electrophile (nucleophile) at the end of the arrow (at the point of the arrow).

鈥� The arrow's tail denotes the location of the reactant's electrons; the tail always starts at a lone pair or a bond.

鈥� The arrow's head always points to an atom or a bond, indicating where these same electrons end up in the result.

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Most popular questions from this chapter

a. Calculate the percentage of isopropylcyclohexane molecules that have the isopropyl substituent in an equatorial position at equilibrium. (Its 鈭咷掳 value at 25 掳C is -2.1 kcal/mol.)

b. Why is the percentage of molecules with the substituent in an equatorial position greater for isopropylcyclohexane than for fluorocyclohexane?

Draw the condensed structure for each of the following:

a. (Z)-1,3,5-tribromo-2-pentene

b. (Z)-3-methyl-2-heptene

c. (E)-1,2-dibromo-3-isopropyl-2-hexene

d. vinyl bromide

e. 1,2-dimethylcyclopentene

f. diallyl amine

What is the molecular formula for each of the following?

  1. a 4-carbon hydrocarbon with two p bonds and no rings
  2. a 10-carbon hydrocarbon with one p bond and 2 rings

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?

Question: Determine the degree of unsaturation and then draw possible structures for noncyclic compounds with the following molecular formulas:

a. C3H6

b. C3H4

c. C4H6
See all solutions

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