Q46.The ratio of the mass percentages of ' C & H ' and ' C & O' of a saturated acyclic organic compound ' X ' are 4 : 1 and 3 : 4 respectively. Then, the moles of oxygen gas required for complete combustion of two moles of organic compound ' X' is_______
What This Question Tests
This question tests the ability to determine the molecular formula of a saturated acyclic compound from given mass percentage ratios of its elements and then to use this formula to write and balance its complete combustion reaction to calculate the moles of oxygen required.
Concepts Tested
Formulas Used
Mass percentage = (mass of element / total mass) * 100
Combustion: CxHyOz + (x + y/4 - z/2) O2 → x CO2 + y/2 H2O
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📋 Question Details
- Chapter
- Organic: Hydrocarbons
- Topic
- Combustion Analysis and Empirical Formula
- Year
- 2020
- Shift
- 02 Sep Shift 2
- Q Number
- Q46
- Type
- Numerical
- NCERT Ref
- Class 11 Chemistry Ch 1: Some Basic Concepts of Chemistry; Class 11 Chemistry Ch 13: Hydrocarbons