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WorksheetsQuestionnaire 4 Chem (12th)
Total questions: 20
Worksheet time: 20mins
Name the following compound
Benzene
Benzol
Phenol
Name the compound
Methane benzene
Toluene
Benzene methane
Name this compound
ortho-propylbenzene
1,3-dipropylbenzene
ortho-dipropylbenzene
Which compound below is aromatic?
How many sigma bonds are there in benzene?
4
6
12
What is the global formula of benzene?
C6H12
C6H6
C6H10
Name the compound
Nitro benzene
Ammonia benzene
Aniline
How many pi bonds are there in benzene?
6
2
3
Explain the concept of resonance in benzene
Explain the unusual stability of Benzene. Hint: Pi bonds
What is the main source of benzene?
Oil (Petroleum)
Minerals
Coal Tar
What is benzene's IUPAC name?
Cyclohexa-1,2,3-triene
Cyclopenta-1,3,5-triene
Cyclohexa-1,3,5-triene
What is the name of this compound?
para-chlorophenol
meta-chlorophenol
ortho-chlorophenol
What is the name of the compound?
propyl hydroxy benzene
3-phenyl-1-propanol
3-phenyl-1-butanol
Name the substituent
Benzene
Benzyl
Phenyl
In benzene the director para is referred to carbon positions
1, 3
1, 4
1, 2
In benzene the director ortho is referred to carbon positions
1,2
1,3
1,4
Explain why is it impossible to have substituents in carbons 4a and 8a
What is this molecule?
Anthracene
Naphthalene
Dibenzene
Explain the reason why naphthalene can only have 5 pi bonds
