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Chapter 11: Q. 11.30 (page 381)

Give the IUPAC name for each of the following, using cis or trans prefixes, if needed:

Short Answer

Expert verified

Part(a) IUPAC name is cis-2-pentene

Part(b) IUPAC name is trans-2-heptene

Part(c) IUPAC name is trans-3-heptene

Step by step solution

01

Part(a) Step 1 : Given information

We are given structure of compounds. We need to write their IUPAC name.

02

Part(a) Step 2 : Simplify

As we can see there are five carbons in main chain so we will use "pent". it also contain double bonds so name will end with "ene".

We can see bulkier group on same side of double bond so we will use "cis" in prefix. Therefore,

IUPAC name is cis-2-pentene

03

Part(b) Step 1 : Given information

We are given structure of compounds. We need to write their IUPAC name.

04

Part(b) Step 2 : Simplify

As we can see there are seven carbons in main chain so we will use "hept". it also contain double bonds so name will end with "ene".

We can see bulkier group on opposite side of double bond so we will use "trans" in prefix. Therefore,

IUPAC name is trans-2-heptene

05

Part(c) Step 1 : Given information

We are given structure of compounds. We need to write their IUPAC name.

06

Part(c) Step 2 : Simplify

As we can see there are seven carbons in main chain so we will use "hept". it also contain double bonds so name will end with "ene".

We can see bulkier group on opposite side of double bond so we will use "trans" in prefix. Therefore,

IUPAC name is trans-3-heptene

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Most popular questions from this chapter

Identify the compounds in each of the following pairs as structural isomers or not structural isomers: (11.3)

a.

b.

Identify each of the following properties as more typical of an organic or inorganic compound:

a. contains Liand F

b. is a gas at room temperature

c. contains covalent bonds

d. produces ions in water

Identifies the following as a alkanes, alkenes, cycloalkenes, or alkynes.

Consider the compound ethylcyclopentane.(7.4,7.7,8.6,11.3,11.4)

a. Draw the line-angle formula for ethylcyclopentane.

b. Write the balanced chemical equation for the complete combustion of ethylcyclopentane.

c. Calculate the grams of O2required for the combustion of25.0gof ethylcyclopentane.

d. How many liters of CO2would be produced at STP from the reaction in part c?

Identify the following pairs of structures as structural isomers, cis-trans isomers, or the same molecule:
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