[P" is an alcohol which on heating "],[" with "Al_(2)O_(3)" forms an alkene "Q" .Q on "],[" ozonolysis produces "R" and "S" .When "],[" the mixture of "R" and "S" is heated with "],[" conc."NaOH" ,a redox reaction takes "],[" place and a mixture of an acid salt "],[" and alcohol is formed."],[" The compound (Q) is "]