Question

 

KMnO4 reacts with oxalic acid as :

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

Solution

Correct option is

50 mL of 0.1 M H2C2O4

 

(factor = 5)

(factor = 2)

SIMILAR QUESTIONS

Q1

 

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

                                            

Q2

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

Q3

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

Q4

Which of the following can be reduced by SnCl2 solution

Q5

 

Hydrazine reacts with KIO3 in presence of HCl as

The equivalent masses of N2H4 and KIO3 respectively are

Q6

 

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

Q7

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

Q8

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?

Q9

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

Q10

Solution A and B of H2SO4 have respective molarities to be 5.0 and 1.0 In order to prepare 10L of 8 N H2SO4, what volumes of A and B solutions need be mixed?