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A hydrocarbon contain 86% carbon, 488 ml of the hydrocarbon weight 1.68 g at STP. Then the hydrocarbon is an
A. (a)Alkane
B. (b)Alkene
C. (c )Alkyne
D. (d)Arene

1 Answer

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Correct Answer - B
`{:("Element","At. wt".,"Mole","Ratio","Empirical formula"),(C=86%,12,7.1,1,CH_(2)),(H=14%,1,14,2,"Belongs to alkene" C_(n)H_(2n)):}`

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