Density of hydrocarbon gas is 1,78 g/dm3 . 1 mole of it reacts with 2 moles of bromine. What chem. is the gas?

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measuring is made in normal conditions and reaction is not made with added heat

2007-06-19 06:21:01 · 2 answers · asked by Anonymous in Science & Mathematics ➔ Chemistry

Its an alkyne or alkadiene

Mol wt = 39.872

Thus 12n + 2n-2 = 40

n = 3

It is Propyne (C3H4).

2007-06-19 06:28:48 · answer #1 · answered by ag_iitkgp 7 · 0⤊ 0⤋

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2016-05-17 09:02:44 · answer #2 · answered by Teresa 4 · 0⤊ 0⤋