Aromatics and Cyclic Compounds

As well as forming chains, carbon atoms can form rings or as chemists call them: ___

• looped carbons

• ringlet formations

• enclosed circuits

• cyclic structures

Tags

NGSS.HS-LS1-6

Because they have aromas, compounds with a ring of resonance bonds are called ___

• fragrent compounds

• pungent molecules

• aromatic compounds

• scented structures

The most basic cyclic structures, composed of single-bonded carbons in a ring, are called ___

• cycloalkanes

• cycloalkenes

• ring-alkanes

• ring-alkenes

The simplest cyclic hydrocarbon, C₃H₆, is very fragile due to tight bond angles, and is called ___

• cyclomethane

• cycloethane

• cyclopropane

• cyclobutane

Tags

NGSS.HS-PS1-3

The cycloalkane C₄H₈ is fairly unstable and reactive, and is called ___

• cyclomethane

• cycloethane

• cyclopropane

• cyclobutane

Which cycloalkane is very stable because basically "the tetrahedral orbitals overlap without strain"?

• cyclopentane

• cyclopentene

• cyclohexane

• cyclohexene

The double bonds in cycloalkenes make their molecules increasingly more ___

• linear

• tetrahedral

• planer

• twisted

Cycloalkynes do exist but they are extremely hard to form because the triple bond is ___

• linear

• bent

• tetrahedral

• unbreakable

Tags

NGSS.HS-PS1-1

Due to bond strain, the simplest stable cycloalkyne is ___

• cyclohexyne

• cycloheptyne

• cyclooctyne

• cyclononyne

Using the structural diagram, name this compound.

• 3-ethyl-1-methylcyclopentene

• 1-ethyl-3-methylcyclopentene

• 2-ethyl-5-methylcyclopentene

• 5-ethyl-2-methylcyclopentene