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Chemistry · 2014
JEE Main 2014 · 2014-04-06 Offline · Q34
For the estimation of nitrogen, 1.4 g of an organic compound was digested by Kjeldahl method and the evolved ammonia was absorbed in 60 mL of M/10…
For the estimation of nitrogen, $\displaystyle 1.4$ g of an organic compound was digested by Kjeldahl method and the evolved ammonia was absorbed in $\displaystyle 60$ mL of $\displaystyle \frac{\mathrm{M}}{10}$ sulphuric acid. The unreacted acid required $\displaystyle 20$ mL of $\displaystyle \frac{\mathrm{M}}{10}$ sodium hydroxide for complete neutralization. The percentage of nitrogen in the compound is :
Official answer
(2)
$\displaystyle 10$ %
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