Question on: JAMB Chemistry - 2015
One note of a hydrocarbon 36g of carbon and its density is 20. The structure of hydrocarbon is (organic chemical)
A
CH3C = CH
B
CH3CH = CH2
C
CH3CH2C = CH
D
CH33CH2CH3
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Correct Option: A
2VD = Rmm
VD = Vapour Density, Rmm = relative
2 × 20 − 40 molecular mass
Mole of carbon − 36/12
= 3
Mole of H2 = 40 − 36
= 4
The compound contains 3mole of carbon and 4 hydrogen
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