44gm of a sample on complete combustion gives 88gmCO2 and 36gm of H2O. The molecular formula of the compound may be:
A
C4H6
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B
C2H6O
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C
C2H4O
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D
C3H6O
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Solution
The correct option is CC2H4O CO2=8844=2 moles of CO2=2 mole of C H2O=3618=2 moles of H2O=2 mole of H Mass of C + Mass of H + Mass of O=44 ⇒24+4+x=44;x=16 ∴ mole of O=1 and molecular formula is C2H4O.