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Questions and Answers
What is the correct structure of a phenyl group?
What is the correct structure of a phenyl group?
- CH2=CH-
- C6H5- (correct)
- COOH
- NO2
Which of the following is a meta directing group on the benzene ring?
Which of the following is a meta directing group on the benzene ring?
- Hydroxyl (OH)
- Aldehydic (-CHO) (correct)
- Alkyl (R) (CH3)
- Vinyl (CH2=CH-)
Who is credited with discovering the hexagonal cyclic shape of the benzene molecule?
Who is credited with discovering the hexagonal cyclic shape of the benzene molecule?
- Kekule (correct)
- Dalton
- Avogadro
- Mendeleev
How is benzene obtained from phenol?
How is benzene obtained from phenol?
What is the most important organic compound obtained from the fractional distillation of coal tar?
What is the most important organic compound obtained from the fractional distillation of coal tar?
What is the method called when ordinary hexane is passed at high temperature over a hot catalyst to obtain benzene from aliphatic petroleum derivatives?
What is the method called when ordinary hexane is passed at high temperature over a hot catalyst to obtain benzene from aliphatic petroleum derivatives?
Why is it difficult for benzene to undergo reactions by addition under normal conditions?
Why is it difficult for benzene to undergo reactions by addition under normal conditions?
What is the compound formed when benzene reacts with chlorine gas or bromine fumes in sunlight?
What is the compound formed when benzene reacts with chlorine gas or bromine fumes in sunlight?
Why are polynitro organic substances considered very explosive?
Why are polynitro organic substances considered very explosive?
How does adding detergent to water enhance its ability to clean textile?
How does adding detergent to water enhance its ability to clean textile?
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