1.

A hydrocarbon on complete combustion produces176 g of carbon dioxide and 90 g of water. What will x the formula of hydrocarbon be and also give balanced chemical equation of combustion of hydrocarbon?

Answer»

Solution :(i) General balanced chemical equation for COMBUSTION of hydrocarbon.
(II)Calculationof the COEFFICIENTS of carbon dioxide and water USING the formula
(III) Coefficient of
`CO_2=("Amount of "H_2O" produced")/("Molecular weight ")`
(iv)Coefficient of
`H_2O=("Amount of "H_2O" produced")/("Molecular weight ")`
(v) Chemical formula of hydrocarbon from the coefficients of corbon dioxide and water


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