On complete combustion, 0.246 g of an organic compound gave 0.198g of carbon dioxide and 0.1014g of water.
The percentage composition of carbon and hydrogen in the compound are respectively-
1. 21.95 %; 4.58 %
2. 33.46 %; 3.14 %
3. 42.15 %; 2.61 %
4. 25.24 %; 3.98 %
Prefer Books for Question Practice? Get NEETprep's Unique MCQ Books with Online Audio/Video/Text Solutions via Telegram Bot
NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyIn Dumas’ method for estimation of nitrogen, 0.3g of an organic compound gave 50mL of nitrogen collected at 300K temperature and 715mm pressure. The percentage composition of nitrogen in the compound is-
(Aqueous tension at 300K=15 mm)
1. 21.43%
2. 25.13%
3. 19.46%
4. 17.46%
Prefer Books for Question Practice? Get NEETprep's Unique MCQ Books with Online Audio/Video/Text Solutions via Telegram Bot
NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyDuring estimation of nitrogen present in an organic compound, the ammonia evolved from 0.5 g of the compound in Kjeldahl’s estimation of nitrogen, neutralized 10 mL of 1 M H2SO4. The percentage of nitrogen in the compound is-
1. 46.0 %
2. 51.0%
3. 56.0%
4. 49.0%
Prefer Books for Question Practice? Get NEETprep's Unique MCQ Books with Online Audio/Video/Text Solutions via Telegram Bot
NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyIn Carius method of estimation of halogen, 0.15 g of an organic compound gave 0.12 g of AgBr.
The percentage of bromine in the compound is-
1. 39.05 %
2. 42.42 %
3. 34.04%
4. 65.12 %
Prefer Books for Question Practice? Get NEETprep's Unique MCQ Books with Online Audio/Video/Text Solutions via Telegram Bot
NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology