Amongst the following which can act an oxidizing as well as reducing agent?
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.
Amongst the following, identify the species with an atom in + 6 oxidation state
For the reaction : in basic medium, the coefficients of NH3, OCl– and N2H4 for the balanced equation are respectively
When phosphorous reacts with caustic soda, the products are PH3 and NaH2PO2. This reaction is an example of
When SO2 is passed into an acidified potassium dichromatic solution, the oxidation numbers of sulphur and chromium in the final products respectively are
In the standardisation of Na2S2O3 using K2Cr2O7 by iodometry, the equivalent mass of K2Cr2O7 is
Which of the following not a reducing agent?
How many moles of oxalic acid are oxidised by one mole of
KMnO4 in acid medium?
Phosphorous has the oxidation state of +1 in