AP EAMCET · Chemistry · Hydrogen
How many millilitres of 20 volume \(\mathrm{H}_2 \mathrm{O}_2\) solution is needed to react completely with \(500 \mathrm{~mL}\) of acidified \(1 \mathrm{~N} \mathrm{KMnO}_4\), solution?
- A 224
- B 280
- C 140
- D 56
Answer & Solution
Correct Answer
(C) 140
Step-by-step Solution
Detailed explanation
Given, Normality of \(\mathrm{KMnO}_4\left(N_1\right)=1 \mathrm{~N}\) Volume of \(\mathrm{KMnO}_4\left(V_1\right)=500 \mathrm{~mL}\) Normality of \(\mathrm{H}_2 \mathrm{O}_2\left(N_2\right)=\frac{\text { Volume strength }}{5.6(\text { eq. mass })}=\frac{20}{5.6}\)…
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