how would you classify the following reaction that forms hydrogen and oxygen gases

$$2H _{2}O(l)\rightarrow2H _{2(g)+O _{2(g)}}$$

a. double displacement
b. synthesis
c. decomposition
d. combustion

Question

how would you classify the following reaction that forms hydrogen and oxygen gases 

$$2H _{2}O(l)\rightarrow2H _{2(g)+O _{2(g)}}$$


a. double displacement
b. synthesis
c. decomposition
d. combustion

anonymous · Answer

b

anonymous · Answer

It is definitely not synthesis. 

Let me give you some generic examples and you can determine the answer from those. A, B, X and Y will be individual species. 

a) $$XY + AB = XB + AY$$
b) $$X + Y = XY$$
c)$$XY = X + Y$$
d) $$XY + A = AX + Y$$