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What happens when diamond is heated2000degree celcius in the vaccum

Answer»

amond to about 900 degrees C in the presence of air, DIAMOND will burn into CO2 But heat it to 1500 degrees C in the absence of air, it turns into graphite EXPLAINATIONDiamond is SP3 HYBRIDIZED & linked to 4 carbon atoms by single covalent bonds.It is REGARDED as 3-D polymer.It has very high M.P of 4200K & more energy is req. to break the bonds.In vaccum diamonds r stable upto 1500deg C but at 1800-2000 they r converted to graphite.HOPE THIS WILL HELP YOU



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