Exam Key



 Exam Key

Now that you've completed your exam, please mark it as best as you can.

QUESTION ONE:

4-ethyl-2,3,3,4-tetramethyloctane

QUESTION TWO:



QUESTION THREE:

3-bromo-1-propene

QUESTION FOUR





QUESTION FIVE:

Butane is a fuel used in 'backpack stoves'

QUESTION SIX:

Four

QUESTION SEVEN:

A structural isomer is a compound that has the same molecular formula but a different arrangement of atoms.

QUESTION EIGHT:

Saturated hydrocarbons contain the maximum number of hydrogens possible, unsaturated hydrocarbons (such as alknes and alkynes) have less.

QUESTION TEN:

Any of the following answers are acceptable:


 * the OH group tends to make alcohols soluble in water
 * the non-polar hydrocarbon chain tends to make alcohols insoluble in water
 * all alcohols are poisonous
 * alcohols contain an OH group

QUESTION ELEVEN:



QUESTION TWELVE:


 * they contain an NH2 group
 * they are organic bases

QUESTION THIRTEEN:

CHCl3

QUESTION FOURTEEN:

A carboxylic acid. They must contain a -COOH group.

BONUS:

The group -COO- is present somewhere in the formula