Question 40

Match the following equations to the type of reaction.

Column A
1.
Synthesis:
Synthesis
2.
Single replacement:
Single replacement
3.
Combustion:
Combustion
4.
Double displacement:
Double displacement
5.
Decomposition:
Decomposition
Column B
a.
MgBr2 + 2 NaCl → MgCl2 + 2 NaBr

b.
Na + Cl → NaCl

c.
2 H2O → 2 H2 + O2

d.
2 NaCl + Br2 → 2 NaBr2 + Cl2

e.
C3H8 + 5 O2 → 3 CO2 + 4 H2O

1. Synthesis: e. C3H8 + 5 O2 → 3 CO2 + 4 H2O

2. Single replacement: b. Na + Cl → NaCl
3. Combustion: e. C3H8 + 5 O2 → 3 CO2 + 4 H2O
4. Double displacement: a. MgBr2 + 2 NaCl → MgCl2 + 2 NaBr
5. Decomposition: c. 2 H2O → 2 H2 + O2