TS EAMCET · Chemistry · Amines
In the estimation of nitrogen by Kjeldahl's method 0.933 g of an organic compound ' X ' was analyzed. Ammonia evolved was absorbed in 60 mL of \(0.1 \mathrm{M} \mathrm{H}_2 \mathrm{SO}_4\). The unreacted acid requires 20 mL of 0.1 M NaOH for complete neutralization. The compound ' X ' is
- A \(\mathrm{C}_6 \mathrm{H}_5 \mathrm{CH}_2 \mathrm{NH}_2\)
- B \(\mathrm{C}_6 \mathrm{H}_5 \mathrm{NH}_2\)
- C \(\mathrm{CH}_3 \mathrm{CH}_2 \mathrm{NH}_2\)
Answer & Solution
Correct Answer
(B) \(\mathrm{C}_6 \mathrm{H}_5 \mathrm{NH}_2\)
Step-by-step Solution
Detailed explanation
\(\text{Moles of NaOH} = 0.1 \text{ M} \times 20 \times 10^{-3} \text{ L} = 0.002 \text{ mol}\) \(\text{Moles of unreacted H}_2\text{SO}_4 = \frac{0.002 \text{ mol}}{2} = 0.001 \text{ mol}\)…
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