And inert gases. Te reaction with oxygen is an exothermic process and therefore self sustaining; hwever, t initiate the reaction some initial heating is required to dissociate the double bond in O2. Tis compound is liquid at room temperature. Is freezing point is 0 oC and boiling point is 100 oC. Tis is found in abundance on the planet Earth, mstly in the form of liquid. Hwever, al the three forms – solid, lquid and vapor of this compound is found on this planet. I can be synthesized a spark in a mixture of oxygen and hydrogen.
I is prepared by reaction of Barium oxide with H2SO4. Te excess water in this reaction is removed by evaporation at reduced pressure. I is a pale blue (almost colorless) liquid at room temperature. Is freezing point is 272. 4K and boiling point is 423 K. I is miscible in water in all proportions. 5) Nitrogen Monoxide: is formula is NO. I is a linear molecule. Is structure is shown below. I is a colorless and neutral gas. I is reaction between sodium nitrite with ferrous sulfate in sulfuric acid.
6) Dinitrogen Trioxide: Is formula is N2O3. I is an angular molecule. Is structure is given below. I is a blue colored solid and is acidic in nature. I is prepared by reaction between nitrogen monoxide and dinitrogen tetroxide. 8) Dinitrogen Tetroxide: Is formula is N2O4. I is a planar molecule. Is structure is shown below. I is essentially a dimer of nitrogen dioxide and is prepared by dimerization of nitrogen dioxide in appropriate temperature and pressure condition. is colorless solid / liquid and is acidic in nature.
9) Dinitrogen Pentoxide: Is formula is N2O5. I is a planar molecule. Is structure is shown below. I is a colorless solid and acidic in nature. I is prepared by chemical reaction between Nitric Acid and Tetra Phosphorous Decoxide. 10) Sulphur Dioxide: Is formula is SO2. I is an angular molecule. Is structure is shown below. I is a colorless gas with pungent smell. I is soluble in water and is highly acidic in nature. I is prepared roasting of ores like pyrites or burning of S in air.
Te first and foremost use of oxygen in our everyday life every moment of life is breathing. Wthout breathing in this gas we cannot afford to survive beyond a couple of minutes. Oygen cylinders are used for evacuation purpose in case. ..
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