91Ó°ÊÓ

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

Draw the Skeletal 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

a. Draw the condensed structures and give the systematic names for all the alkenes with molecular formula C₆H₁₂, ignoring stereoisomers.

(Hint:There are 13.)

b. Which of the alkenes have Eand Zisomers?

c. Which of the alkenes is the most stable?

d. Which of the alkenes is the least stable?

Name the following:

Some compounds are given below.(Question no 45)

a. Which is the most stable?

b. Which is the least stable?

a. Which is the most stable: 3,4-dimethyl-2-hexene, 2,3-dimethyl-2-hexene, or 4,5-dimethyl-2-hexene?

b. Which compound has the largest heat of hydrogenation?

c. Which compound has the smallest heat of hydrogenation?

Draw curved arrows to show the flow of electrons responsible for the conversion of the reactants to products

Draw the skeletal structure of 3,3-dimethyl-7-(1-methyl ethyl)-6-(1-methyl propyl) decane.

In a reaction in which reactant A is in equilibrium with product B at

25 °C, what relative amounts of A and B are present at equilibrium if ΔG° at 25 °C is

a. 2.72 kcal/mol?

b. 0.65 kcal/mol?

c. -2.72 kcal/mol?

d. -0.65 kcal/mol?

Which bond is stronger? Briefly explain why.