Compounds of Oxygen

Which fo the follwing compounds fo oxygen has fractional oxdation number ?

A 0.24 g sample of compound of oxygen and boron was found by analysis to contain 0.096 g of boron and 0.144 g of oxygen. Calculate the percentage composition of the compound by weight.

A 0.24 g sample of compound of oxygen and boron was found by analysis to contain 0.096 g of boron and 0.144 g of oxygen. Calculate the percentage composition of the compound by mass.

In a vessel, whose volume is 1l , there is a gas, which is a compound of oxygen and nitrogen. Mass of gas is 1g, gas's temperature is 17_(0)C and pressure of the gas is 31.7 k P.a . Determine the chemical formula of compound of (R=8.31 J//mol -K) :-

In which compounds oxygen exhibits positive state?

In which of the following compounds, oxygen exhibits highest oxidation state?

In which of the following compounds oxygen exhibits an Oxidation state of +2

In which of the compounds oxygen does not exhibit oxidation state (-2)?