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An organic compound is estimated through Duma's method and was found to evolve 6 moles of CO 2 . 4 moles of H 2 O and 1 mole of nitrogen gas. The formula of the compound is :

1. C 6 H 8 N
2. C 6 H 8 N 2
3. C 12 H 8 N
4. C 12 H 8 N 2

Correct answer: C 6 H 8 N 2

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