chemistry CIE A
level Exam
Questions with
Correct Solution
1. Chemical formula for
alka- ne
2. Chemical formula
for alkene
3. What is a molecular formu- Shows the number of atoms of each element present in
the molecule
la?
4. What is the structural It shows how the atoms are joined together in a molecule
for- mula?
5. What is the displayed This shows all the bonds and all the atoms
for- mula?
6. What is the skeletal this shows only the carbon skeleton with each line
formu- la? representing a C-C bond plus any functional groups that
are present
7. What is the empirical
for- mula? It shows the simplest whole number ratio of the atoms of
each element in a compound.
8. What is a functional group? The atom or group of atoms that is responsible for
most of the
1/
8
, chemical reactions of a molecule
9. What is the functional C-C
group and prefix/suffix -ANE
for Alkanes?
10. What is the functional C=C
group and prefix/suffix -ENE
for Alkenes?
11. -OH
-(al)OL
2/
8