a)
Interpretation:
The major product(s) obtainable when chlorobenzene is treated with ethylchloride in the presence of anhydrous AlCl3 is/are to be stated.
Concept introduction:
The substituents attached to the ring have a strong influence on the incoming electrophile. Electron releasing substituent groups, except halogens, activate the ring and direct the incoming electrophile to the o- and p- positions. Halogens are o- and p- directors but they deactivate the ring. Electron withdrawing substituent groups deactivate the ring and direct the incoming electrophile to the m- position.
To state:
The major product(s) obtainable when chlorobenzene is treated with ethylchloride in the presence of anhydrous AlCl3.
b)
Interpretation:
The major product(s) obtainable when diphenylether is treated with propanoylchloride in the presence of anhydrous AlCl3 is/are to be stated.
Concept introduction:
The substituents attached to the ring have a strong influence on the incoming electrophile. Electron releasing substituent groups, except halogens, activate the ring and direct the incoming electrophile to the o- and p- positions. Halogens are o- and p- directors but they deactivate the ring. Electron withdrawing substituent groups deactivate the ring and direct the incoming electrophile to the m- position.
To state:
The major product(s) obtainable when diphenylether is treated with propanoylchloride in the presence of anhydrous AlCl3.
c)
Interpretation:
The major product(s) obtainable when benzoic acid is treated with a mixture of HNO3 and H2SO4 is/are to be stated.
Concept introduction:
The substituents attached to the ring have a strong influence on the incoming electrophile. Electron releasing substituent groups, except halogens, activate the ring and direct the incoming electrophile to the o- and p- positions. Halogens are o- and p- directors but they deactivate the ring. Electron withdrawing substituent groups deactivate the ring and direct the incoming electrophile to the m- position.
To state:
The major product(s) obtainable when benzoic acid is treated with a mixture of HNO3 and H2SO4.
d)
Interpretation:
The major product(s) obtainable when N,N-diethylaminobenzene is treated with SO3 in H2SO4 is/are to be stated.
Concept introduction:
The substituents attached to the ring have a strong influence on the incoming electrophile. Electron releasing substituent groups, except halogens, activate the ring and direct the incoming electrophile to the o- and p- positions. Halogens are o- and p- directors but they deactivate the ring. Electron withdrawing substituent groups deactivate the ring and direct the incoming electrophile to the m-position.
To state:
The major product(s) obtainable when N,N-diethylaminobenzene is treated with SO3 in H2SO4.
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Chapter 16 Solutions
Organic Chemistry