## Question

### Solution

Correct option is

2.80 ‘Vol’

‘Vol’ strength of H2O2 = 11.2×0.25 = 2.80

[1M = 11.2 ‘Vol’]

#### SIMILAR QUESTIONS

Q1

50 mL of 0.04 M solution of sodium sesquicarbonate (Na2CO3.NaHCO3.2H2O) is titrated with 0.05 M HCl. V1 mL of HCl is used when phenolphthalein acts as indicator and V2 mL of HCl is used when methyl orange is the indicator in the two separate titrations. The two titration values V1and V2 differ by

Q2

0.5 g sample of oxalate salt required 30ml of 0.05 M KMnO4 in acidic medium for complete oxidation. The percent of oxalate ion in the sample is

Q3

20 mL of 0.1 M FeC2O4 solution is titration with 0.1 M KMnO4 in acidic medium. Volume of KMnO4 solution required to oxidise FeC2O4 completely is

Q4

To neutralize completely 20ml of 0.1 M phosphorous acid 40ml of KOH was required. What volume of this KOH solution will be required to neutralize 0.66 g of H3PO2?

Q5

10ml of KHC2O4 solution requires 10 ml of NaOH for complete neutralization. 10 ml of same KHC2O4 solution is oxidized by 10 ml of KMnO4 solution in acidic medium. Molarity of KMnO4 solution is

Q6

The molarity, molality and density of a solution are denoted by ω, x and yg ml–1 respectively. If molecular mass of the solute is z, then which of the following relation is correct?

Q7

KMnO4 oxidizes Xn+ into,  itself changing to Mn2+ in acid solution. 2.68 × 10–3 mol of Xn+ require  mol of KMnO4. The value of n is

Q8

To 1 mole of pyrophosphoric acid (H4P2O7) in aqueous solution 2 mole of NaOH are added. The salt formed is

Q9

What volume of 0.01 M K2Cr2O7 would be required to oxidize Fe (II) in 50ml of 0.03 M solution of ferrous ammonium sulphate in acidic medium?

Q10

A sample of mixture of AO and A2O3 in 2 : 1 molar ratio takes 0.015 mole of K2Cr2O7 to oxidize the sample completely to from  in acidic solution. Millimoles of AO and A2O3 in the sample are respectively