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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyIn Duma’s method of estimation of nitrogen 0.35 of an organic compound gave 55 mL of nitrogen collected at 300 K temperature and 715 mm pressure. The percentage composition of nitrogen in the compound would be:
(Aqueous tension at 300K= 15 mm)
1. | 16.45 | 2. | 17.45 |
3. | 14.45 | 4. | 15.45 |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyThe Lassaigne’s extract is boiled with conc. while testing for halogens, because it:
1. Helps in the precipitation of
2. Increases the solubility product of
3. Increases the concentration of ions
4. Decomposes and , if formed
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology