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  • Consider the reaction: <img alt="\\\mathrm{x\ MnO^-_4+y\ C_2O_4^{2-} +z\ H^+\rightarrow x\ Mn^{2+}+2y\ CO_2+\frac{z}{2}\ H_2O}" src="http://entrancecorner.oncodecogs.com/gif.latex?%5C%5C%

Consider the reaction:

\\\mathrm{x\ MnO^-_4+y\ C_2O_4^{2-} +z\ H^+\rightarrow x\ Mn^{2+}+2y\ CO_2+\frac{z}{2}\ H_2O}

The values of x,y and z in the reaction are

Option: 1

2,5,8


Option: 2

2,5,16


Option: 3

5,2,16


Option: 4

5,2,8


Answers (1)

best_answer

\\\mathrm{[MnO_4^- + 8H^+ + 5e^-\rightarrow Mn^{2+}+4H_2O]\times2} \\\mathrm{[C_2O_4^{2-}\rightarrow 2CO_2 + 2e^-]\times 5} \\----------------------- \\\mathrm{2MnO^-_4+5C_2O_4^{2-} +16H^+\rightarrow 2Mn^{2+}+10CO_2+8H_2O}

So, here x=2, y=5, and z= 16

Therefore, The correct option is (2)

 

Posted by

Ritika Jonwal

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