Hydrocarbons
Test for the presence of an alkene is called
iodine test
benedict's test
Baeyer's test
Kolbe's electrolytic method
Baeyer's test
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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
Tetrahydroxy ethane loses two water molecules to form
A. oxalic acid
B. Glyoxal
C. acetylene
D. ethylene glycol
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