[PDF] questions DRAWING ORGANIC STRUCTURES

[PDF] questions DRAWING ORGANIC STRUCTURES - Chemguide

Chemguide – questions DRAWING ORGANIC STRUCTURES 1 Using propane as an example, write formulae or draw diagrams as appropriate to show what is meant by

[PDF] answers DRAWING ORGANIC STRUCTURES - Chemguide

DRAWING ORGANIC STRUCTURES There are only two distinct compounds in these structures If you think of them using the simplified

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[PDF] questions DRAWING ORGANIC STRUCTURES - Chemguide

80103_7q_drawing.pdf

C h e m g u i d e - q u e s t i o n s

DRAWING ORGANIC STRUCTURES

1.Using propane as an example, write formulae or draw diagrams as appropriate to show what is

meant by (i) a molecular formula (ii) a structural formula (show the difference between a fully displayed and the more usual simplified version) (iii) a skeletal formula (Don't know what propane is? Look it up!)

2.A compound has the molecular formula C2H4Cl2. Look carefully at the following displayed

formulae. How many different compounds do they represent?

3.Which of these structures are the same?

4.Draw the following molecule using conventional bond notation to show its 3-D shape.

Use B (black), R (red), G (green) and W (white) for the symbols for the various atoms or groups. www.chemguide.co.ukH C C H HHCl

ClH C C Cl

HHCl

HH C C H

ClHCl

HCl C C Cl

HHH

HH C C H

ClClH

HH C C H

ClHH Cl

ABCDEF

CH3CH3CH2CH2CH2CH2CH3

CH3CH2CHCH2CH3CH3CHCHCH3

CH3CCH2CH3CH3CHCH2CH2CH3

CH3CH3CH3

CH3

CH3CH3CH2CHCH3CH3CH2ABC

DEF

C h e m g u i d e - q u e s t i o n s

5.Draw skeletal formulae for the following compounds:

6.Translate these skeletal formulae into structural formulae similar to the ones in Q5.

www.chemguide.co.ukCH3CH3CH2CH2CH2CH2CH3

CH3CH2CHCH2OHCH3CCH2OHCH3CHCH2CH2CH3

CH3CH3CH3

CH3ABC

DEFCH3CHCHCH3

ClCH3

CH3CHCHCH3

OH OH

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