Lab final Section 2 - Organic Nomenclature and modeling

What is a structural isomer

Same molecular formula but different connectivity

What is a cis/trans isomer?

same connectivity but different spacial arrangement around a double bond

condensed formula vs. line angle?

Condensed: group is written out.

Line-angle: bonds are represented by lines, carbons at the ends/junctions

What is the IUPAC base names for carbon chains? 

1 - meth

2 - eth

3 - prop

4 - but 

5 - pent

6 - hex

7 - hep

8 - oct

9 - non

10 - dec

Identify the name for this structure.

3-methylpentane

Identify the name for this structure.

3-ethylpentane

Identify the name for this structure.

2-methylpentane

Identify the name for this structure.

3-methylhexane 

The molecular formula for the simple alkane butane is….

C4H10

What is the molecular formula of cyclobutane?

C4H8

What is the difference between butane and cyclobutane?

The loss of 2 hydrogen atoms

Identify this structure

3-isopropyl-2-methylhexan

The top image is                 pent-2-ene

Cis 

The bottom Structure is             pent-2-ene

trans 

Wedges and dashes are used to indicate the ________ in a drawn structure.

3D shape

A wedge shows that the ato or group is __________

coming out of the page

A dash indicates that the atom or group is _______

attached to a lighter element