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		How many optical isomer are possible for an alkane with the molecular formula C7H16? ... 
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		how in a reaction - acid catalysed dehydration to alkenes- ethanol acts as a base ... 
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		of the hydroxl organic compounds ROH and R'OH the first one is basic and the other is acidic in behavior How is R different from R'? ... 
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		what is oxo-process? For what purpose is it used ...