Aromatic Compounds and Aryl Halides questions
308 published questions with worked solutions.
- The correct order of reactivity towards electrophilic substitution is
- The benzene molecule contains
- Thiophene is separated from benzene by
- Benzene is treated with HNO₃/H₂SO₄ and then with Cl₂/FeCl₃. The major product is
- [KCET 1993] Benzene is converted to toluene by
- Alkyl groups are *ortho,para*-directing (and activating) in electrophilic aromatic substitution because of
- X —Cl₂→ benzotrichloride —hydrolysis→ Y. X and Y respectively are
- Which structure corresponds to the product when an excess of C₆H₆ reacts with CH₂Cl₂ in the presence of anhydrous AlCl₃?
- [IIT 1992] Nitrobenzene, treated with Br₂ in the presence of FeBr₃, gives *m*-bromonitrobenzene as the major product. Which of...
- The Friedel–Crafts reaction is **not** possible in the case of
- A cyclic hydrocarbon molecule A has all its carbons and hydrogens in a single plane; all its C–C bonds are of equal length,...
- Which group is *ortho*- and *para*-directing?
- In a ring-substitution reaction of C₆H₅Y, the major product is the *meta* isomer. The group Y can be
- Chlorobenzene, on treatment with Raney nickel (or Al) in the presence of alkali, gives
- [IIT 2002] Identify the correct order of reactivity towards electrophilic substitution of benzene (1), toluene (2), chlorobenzene...
- [Roorkee 1991] Which is the most powerful *meta*-directing group among the following?
- Benzene undergoes substitution reactions more easily than addition because
- Which of the following is used as the acylating agent in a Friedel–Crafts acylation?
- Benzene contains (three) double bonds but does not give the addition reactions typical of alkenes because
- Carbon in benzene is *sp²*-hybridised, and the ring bond angle is 120°. The overall shape of the benzene molecule is
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