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Chapter 11: Q. 11.26 (page 378)

Give the IUPAC name for each of the following :

Short Answer

Expert verified

a. The IUPAC name of the compound is Butene.

b. The IUPAC name of the compound is 6-methylhept-2-yne.

c. The IUPAC name of the compound iscyclopentene.

d. The IUPAC name of the compound is 2-pentene.

Step by step solution

01

Part (a) Step 1 : Given information

We have to write the IUPAC name of the given compound i.e.

02

Part (a) Step 2 : Simplification

We know that

  • The parent chain of the given compound is of four carbon so its word root isbut.
  • It also contains an unsaturated double bond so its primary suffix isene.

Hence IUPAC's name is Butene.

03

Part (b) Step 1 : Given information

We have to write the IUPAC name of the given compound i.e.

04

Part (b) Step 2 : Simplification

We know that

  • The parent chain of the given compound is of seven carbon so it's word root is Hept.
  • It also contains an unsaturated triple bond between the second and third carbon of the parent chain, so its primary suffix is -yne.
  • It also contain a carbon as side chain at the sixth carbon of the parent chain.

Hence its IUPAC name is 6-methylhept-2-yne.

05

Part (c) Step 1 : Given information

We have to write the IUPAC name of the given compound i.e.

06

Part (c) Step 2 : Simplification

We know that

  • The parent chain of the given compound is of five carbons in cyclic form so its infix is cycloand contains word root ispent.
  • It also contains an unsaturated double bond so its primary suffix is -ene.

Hence its IUPAC name is cyclobutene.

07

Part (d) Step 1 : Given information

We have to write the IUPAC name of the given compound i.e.

08

Part (d) Step 2 : Simplification

We know that

  • The parent chain of the given compound is of five carbons so its word root is pent.
  • It also contains an unsaturated double bond between the second and third carbon of the parent chain so its primary suffix is -ene.

Hence its IUPAC name is 2-pentene.

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Most popular questions from this chapter

Draw the condensed structural or line-angle formula for the product of each of following:

a)

b)

Give the name of the product from the hydrogenation of each of the following:

a)1-hexene

b) 2-methyl-2-pentene

c) cyclopropene

Give the IUPAC name for each of the following: (11.3)

a.

b.

c.

d.

Margarines are produced from the hydrogenation of vegetable oils, which contain unsaturated fatty acids. How many grams of hydrogen are required to completely saturate 75.0g of oleic acid, C18H34O2which has one double bond?

Consider the compound propane. (7.4,7.7,11.2,11.4)

a. Draw the condensed structural formula for propane.

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

c. How many grams of O2are needed to react with 12.0Lof propane gas at STP?

d. How many grams of CO2would be produced from the reaction in part c?
See all solutions

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