The masses of carbon, hydrogen and oxygen in an organic compound ar – InterviewSolution

1.	The masses of carbon, hydrogen and oxygen in an organic compound are in the ratio 6 : 1 : 8 respectively. Which of the following pairs of formulae correspond to above information?
Answer» `CH_(2)O` and `CH_(3)CHO` `CH_(2)O` and `C_(3)H_(6)O` `C_(2)H_(6)O` and `C_(2)H_(6)O_(2)` `C_(3)H_(6)O_(3)` and HCHO Solution :In `C_(3)H_(6)O_(3)`, MASS of 3 `"C-atom"=12 xx 3 = 36` `"mass of 6-H-atoms"= 1 xx 6=6` `"mass of 3 O-atom"=16 xx 3 = 48` `:.` RATIO of masses of C : H : O is 36 : 6 : 48 or 6 :1 : 8. In HCHO, mass of 1C-atom = 12 mass of 2 H-atoms=2 mass of 1 O-atom=16 `:.` Ratio of masses of C : H : O is 12 : 2 : 16 or 6 : 1 : 8

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