JEE Mains · Chemistry · STD 11 - 8.3. Organic chemistry purification and characterization
While estimating the nitrogen present in an organic compound by Kjeldahl's method, the ammonia evolved from \(0.25\,g\) of the compound neutralized \(2.5\,mL\) of \(2\,M\,H _{2} SO _{4}\). The percentage of nitrogen present in organic compound is \(......\)
- A \(55\)
- B \(56\)
- C \(54\)
- D \(53\)
Answer & Solution
Correct Answer
(B) \(56\)
Step-by-step Solution
Detailed explanation
\(\% N =\frac{1.4\left( N _{1} V _{1}\right)}{\text { mass of organic compound }}\) \(\% N =\frac{1.4(2.5 \times 2 \times 2)}{0.25}=56\)
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