Question

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

Solution

Correct option is

1 mol of NO

O.N. of N in the product = +5 – 3 = + 2, hence NO.

SIMILAR QUESTIONS

Q1

Oxidation number of chlorine atom in CaOCl2 are

Q2

1 mol of N2 H4 loses 10 mol of electrons to form a new compound X. Assuming that all the nitrogen appears in the new compound and no change in the oxidation state of hydrogen, the oxidation number in X is

Q3

Which of the following is the strongest reducing agent?

Q4

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

Q5

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

Q6

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

Q7

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

Q8

 

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

                                            

Q9

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

Q10

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