Redox Reactions - Result Question 16

####17. The following redox reaction is balanced by which set of coefficients ?

[1999]

aZn+bNO3+cH+dNH4++eH2O+fZn2+

\begin{tabular}{lllllll} & a & b & c & d & e & f \

(a) & 1 & 1 & 10 & 1 & 3 & 1 \

(b) & 2 & 2 & 10 & 2 & 3 & 2 \

(c) & 4 & 2 & 10 & 1 & 3 & 4 \

(d) & 4 & 1 & 10 & 1 & 3 & 4 \end{tabular}

Show Answer

Solution:

  1. (d) ZnZn+2+2e

8e+10H++NO3NH4++3H2O

operate eq. (1) ×4+ eq. (2) ×1

4Zn+10H++NO34Zn2++NH4++3H2O

In this reaction, none of the elements undergoes a change in oxidation number or valency.



NCERT Chapter Video Solution

Dual Pane