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Hydrocarbons
Ethene, propene, and butene are
solids
liquids
gases
plasma
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Hydrocarbons
Alkanes (saturated hydrocarbons) have a density
less than water
equal to water
more than water
more than mercury
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Hydrocarbons
What causes the red color of tomatoes?
lycopene
ethene
ethylene glycol
acetylene
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Hydrocarbons
How does iodine react?
explosively
slowly in dark but rapidly in strong sunlight
requires high temperature or strong sun light
essentially unreactive
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Hydrocarbons
The reaction in which one chlorine atom becomes attached with one carbon and the other one with other carbon atom is called
elimination reaction
substitution reaction
halogenation
addition reaction
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Hydrocarbons
Vicinal dihalide eliminates two molecules of hydrogen halides from adjacent carbon atoms on treatment with
Zn dust
calcium hydroxide
alcoholic potassium hydroxide
calcium chloride
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