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Grade 12Organic Chemistry

An organic compound weighing x gm containing 46.67% of nitrogen, is heated with NaOH. It gave NH3 which is neutralised by 200ml of 1N HCl. Find x.

Profile image of SOHAN  SARANGI
14 Years agoGrade 12
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1 Answer

Profile image of Arun
6 Years ago
let the organic compund be represented by X
x +NaOH ------NH3 +HCL----NH4Cl
mole of NH3 formed is 200*1/1000=.2mole
weight of nitrogen in NH3=.2*14=2.8gm
therefore weight in NH3 and weight of nitrogen in organic compound will be same
thus the percentage of nitrogen in organic compound =(2.8/6)*100=46.67