﻿ 10g sample of H2O2 just decolorised 100mL of 0.1 M KMnO4 in acidic medium. % by mass of H2O in the sample is : Kaysons Education

# 10g Sample Of H2O2 just Decolorised 100mL Of 0.1 M KMnO4 in Acidic Medium. % By Mass Of H2O In The Sample Is

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## Question

### Solution

Correct option is

8.5

Mass of H2O2 present

#### SIMILAR QUESTIONS

Q1

The oxidation numbers of most electronegative element in the products of hydrolysis of peroxydisulphuric acid are

Q2

For the redox reaction  the correct coefficients of the reactants for the balanced equation are

Q3

The equivalent  mass of Na2CrO4 used as oxidant in acidic medium is (Cr = 52)

Q4

The equivalent masses of Na2CO3 when it is titrated with HCl using phenolphthalein and methyl orange indicators in separate experiments are

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Which of the following can be reduced by SnCl2 solution

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Q7

In iodometric estimation of Cu2+ ions, the following reactions take place

If 100mL of CuSO4 solution added to an excess of KI requires 50mL of 0.2 M Na2S2O3, the molarity of CuSO4 solution is

Q8

0.66 g H3PO2 will require x mL of 0.1 NaOH for complete neutralization .x is

Q9

20mL solution containing 0.1 M each of HCl and HNO3 required mL of 0.1 M NaOH for complete neutralization. In another experiment to 20mL of original solution, excess of AgNO3 is added and the precipitate of AgCl is filtered off. The entire filtrate along with washings required y mL of the same NaOH solution for neturalization. Then, which of the following relation is correct?

Q10

KMnO4 reacts with oxalic acid as :

Hence, 50mL of 0.04 M KMnO4 is acidic medium is chemically equivalent to