MnO\(_2\)(s) + xHCl(aq) → MnCl\(_2\)(aq) + yH\(_2\)O(l) + zCl\(_2\)(g)
In the equation above, what are the values of x, y and z respectively
- 2, 1, 2
- 4, 1, 2
-
4, 2, 1
- 1, 2, 1
The correct answer is: C
Explanation
MnO\(_2\)(s) + xHCl(aq) → MnCl\(_2\)(aq) + yH\(_2\)O(l) + zCl\(_2\)(g)
First, balance the chemical equation, then equate each of the letters with the coefficients.
On balancing, we have : MnO\(_2\)(s) + 4HCl(aq) → MnCl\(_2\)(aq) + 2H\(_2\)O(l) + Cl\(_2\)(g)
Therefore, x = 4,y = 2 and z = 1