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![[Post New]](/templates/default/images/icon_minipost_new.gif) 28 Oct 2007 17:06:40 IST
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please explain me abot silica
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28 Oct 2007 17:07:48 IST
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silica is a scientific name given 2 sand....... tell d topics about silica...........which u wan others 2 xplain.............
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don't walk as if u rule d world
walk as if u dont care who rules d world
-this is knw as attitude
B who u r and say wat u feel ......
coz those who mind don't matter ........
and those who matter dont mind ......... :)
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28 Oct 2007 17:41:54 IST
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when SiCl4 undergo hydrolysis ,due to vacant orbital attack of nucleophile ouccrs so formation of Si(OH)4 takes place which finally converted to SiO2 KNOWN AS SILICA.IT IS HARD COVALENT COMPOUND WHERE ONE SILICON ATOM ATACH WITH FOUR OXYGEN SO IT IS sp3 hybridisation .bonding is similar like diamond.
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Arun / Rashi - Authors Macromind MCQ of Chemistry from G.R Batla |
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