Question

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

Solution

Correct option is

 

O.N. of most electronegative element in the products i.e. oxygen is – 2 in H2SO4 and –1 in H2O2.

SIMILAR QUESTIONS

Q1

Which of the following is the strongest reducing agent?

Q2

In which of the following compounds the oxidation number of carbon is not zero?

Q3

When ethane is  burnt in presence of excess of oxygen, the oxidation number of carbon changes by

Q4

In a reaction, 3mol of electrons are gained by 1 mol of HNO3. Assuming no change in oxidation state of hydrogen the possible product obtained due to reduction will be

Q5

Ratio of mols of Fe(II) oxidised by equal volumes of equilmolar KMnO4and K2Cr2O7 solutions in acidic medium will be

Q6

 

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

                                            

Q7

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

Q8

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

Q9

Which of the following can be reduced by SnCl2 solution

Q10

 

Hydrazine reacts with KIO3 in presence of HCl as

The equivalent masses of N2H4 and KIO3 respectively are