Aromatic Compounds and Aryl Halides questions
308 published questions with worked solutions.
- According to Hückel's rule, the number of electrons present in anthracene is ________.
- How many of a given set of ring structures (including a cyclopentadienyl-type cation, cyclooctatetraene, cyclopropenyl-type...
- How many of the following compounds are both heterocyclic and aromatic in nature: thiophene, piperidine, anthracene, pyrrole,...
- Benzene [ Anhyd. AlCl _3] CH _3 Cl X [373 – 383 K ] KMnO _4, H ^+ Y [ conc. HNO _3] conc. H _2 SO _4 Z. How many...
- How many of the following groups are *meta*-directing, deactivating groups: –Br, –CF_3, –COR, –CN, –NHCOR, –C_6H_5, –COOH?
- AlCl _3 in the Friedel-Crafts reaction acts as:
- Reaction of alkyl halides with aromatic compounds in presence of anhydrous AlCl_3 is known as
- In the preparation of chlorobenzene from aniline, the most suitable reagent is
- In order to convert aniline into chlorobenzene, the reagent used is
- For the preparation of p-nitroiodobenzene from p-nitroaniline, the best method is
- Fluorobenzene, C_6H_5F, can be synthesised in the laboratory
- Bottles containing C_6H_5I and C_6H_5CH_2I lost their original labels. They were labelled A and B for testing. A and B were...
- Aniline [273-278 ,K] NaNO_2/dil. ,HCl X Cu_2Cl_2/HCl Y [anhy. ,AlCl_3] Acetyl chloride products The total number of products...
- Sodium benzoate [ ] NaOH+CaO X [310-320 ,K] Cl_2, ,PCl_3 Y [ ] conc. ,H_2SO_4 Z ( major product ) What is the total number of...
- How many benzene rings are present in the structure of fluorescein?
- What is obtained when acetyl chloride is heated with benzene in presence of anhydrous AlCl₃?
- In the following reaction, an N-phenylbenzamide --Conc. HNO₃/Conc. H₂SO₄--> X. The structure of the major product X is
- Which one of the following will undergo meta-substitution on monochlorination?
- Statement 1: Friedel-Craft's reaction between benzene and acetic anhydride in the presence of anhydrous AlCl₃ yields acetophenone...
- Benzene --CH₃Cl/Anhydrous AlCl₃--> A --HNO₃(conc.) + H₂SO₄(conc.)--> B --(i) KMnO₄/KOH (ii) dil. H₂SO₄--> C. In this reaction, C...
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