Question

Which of the following represents a synthesis reaction?
a 2H2 + 02 → 2H20
b 2K + 2H20 → 2KOH + H2
c 2NaCl → 2Na + Cl2
d None of the above.

Answer 1

Answer: a) 2H2 + O2 --> 2H2O

Explanation: 2 compounds are combining to form a new compound. The others have 2 substances as the end result and synthesis only produces one result (2H2O in this case)