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