Question

Amongst the following which can act an oxidizing as well as reducing agent?

Solution

Correct option is

H2O2

O.N. of O in H2O2 is –1. O can give up electron to form O2 or can take up electron to form O2– . Other species act only as oxidising agents.

SIMILAR QUESTIONS

Q1

In 

Q3

Amongst the following, identify the species with an atom in + 6 oxidation state

Q4

For the reaction : in basic medium, the coefficients of NH3, OCl and N2H4 for the balanced equation are respectively

Q5

When phosphorous reacts with caustic soda, the products are PH3 and NaH2PO2. This reaction is an example of

Q6

When SO2 is passed into an acidified potassium dichromatic solution, the oxidation numbers of sulphur and chromium in the final products respectively are

Q7

In the standardisation of Na2S2O3 using K2Cr2O7 by iodometry, the equivalent mass of K2Cr2O7 is

Q8

Which of the following not a reducing agent?

Q9

 

How many moles of oxalic acid are oxidised  by one mole of

KMnO4 in acid medium?

Q10

Phosphorous has the oxidation state of +1 in