Question

which choice shows a balanced chemical equation that matches the reaction shown in figure 1?
a h₂o₂ → h₂o + o₂
b h₂o → h₂o₂ + o₂
c 2h₂o₂ → 2h₂o + o₂
d 2h₂o → 2h₂o₂ + o₂

Explanation:

Step1: Check the number of atoms on both sides for each option

For option A:
Left - Hand Side (LHS): \(H = 2\), \(O=2\)
Right - Hand Side (RHS): \(H = 2\), \(O = 1+2=3\)
Not balanced.
For option B:
LHS: \(H = 2\), \(O = 1\)
RHS: \(H = 2\), \(O=2 + 2=4\)
Not balanced.
For option C:
LHS: \(H=2\times2 = 4\), \(O = 2\times2=4\)
RHS: \(H = 2\times2=4\), \(O=2\times1+2 = 4\)
Balanced.
For option D:
LHS: \(H = 2\times2=4\), \(O=2\times1 = 2\)
RHS: \(H=2\times2 = 4\), \(O=2\times2+2=6\)
Not balanced.

Answer:

C. \(2H_{2}O_{2}\to2H_{2}O + O_{2}\)