In representing the general formula of various functional groups,the symbol R stands for
A) a halogen atom.
B) a ring.
C) an aromatic group.
D) an alkyl group.
Correct Answer:
Verified
Q72: In organic chemistry,compounds are generally classified by
A)state.
B)functional
Q73: A molecular formula of an aromatic hydrocarbon
Q74: The formula of methanol is
A)COH.
B)CHOH.
C)CH₂OH.
D)CH₃OH.
Q75: Alcohols are characterized by which functional group?
A)hydroxyl
B)carboxyl
C)halide
D)ester
Q76: The intoxicating alcohol in "alcoholic" beverages is
A)ethanol.
B)methyl
Q78: A bottle contains 5% ethanol.What is the
Q79: Chlorinated hydrocarbons,such as carbon tetrachloride CCl₄,make good
Q80: The compound with the formula,CHCl₃,was used as
Q81: Which of the following statements about industrial
Q82: Ethanol acts as a mild
A)stimulant.
B)depressant.
C)hallucinogen.
D)narcotic.
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