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Class 12 Chemistry Practice Test: Preparation of Haloarenes
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Class 12 Chemistry Practice Test: Preparation of Haloarenes
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11 Questions

1. Identify the missing compound Y.
HBr Compound by diazotisation reaction where an aromatic amine in aqueous mineral acid<
2. What is the by-product formed along with the haloarene at the end of Sandmeyer’s reaction?
3. The ortho and para isomers formed by electrophilic substitution of arenes can be easily separated due to the large difference in their ________
4. Identify the missing compound Y.
HBr Compound by diazotisation reaction where an aromatic amine in aqueous mineral acid<
5. Sandmeyer’s reaction can be used to prepare fluoroarenes.
6. What is the most suitable temperature for the formation of a diazonium salt from aniline?
7. Which of the following are the most suitable conditions for electrophilic substitution of arenes?
8. Which of the following is a reagent used in the preparation of benzene diazonium chloride from aniline?
9. Which of the following is a reagent used in the preparation of benzene diazonium chloride from aniline?
10. Which of the following cannot be a catalyst in the electrophilic substitution of arenes?
11. When excess chlorine is used in electrophilic substitution of toluene, which of the following dichloroarenes are formed?

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