Which of the following reactions represents the laboratory preparation of hydrogen?
A
C(s) + H 2 O(l) → CO(g) + H2(g)
B
2Na(s) + 2H2O(l) → 2NaOH(aq) + H2(g)
C
Zn(s) + 2HCI(aq) → ZnCI2(aq) + H2(g)
D
Cu(s) + H2O(l) → CuO(s) + H2(g)
E
2AI(s) + 3H2O(l) → Al2O3(s) + 3H2(g)
Verified Correct Answer: C.
Chemical Principles & Mechanism
No expanded working has been attached for this question yet. The verified answer is Option C.
Source: Myschool Past Questions Archive (Record #36057)