Haloalkanes and Haloarenes questions
1135 published questions with worked solutions.
- CH₃MgX + CH₃–C(=O)–OC₂H₅ --H⁺,H₂O--> A --Na--> B --C₂H₅OH--> C. C is
- In the conversion of Grignard reagent into an aldehyde, the other component used is
- The product obtained in the reaction of a highly branched tetramethyl-substituted ketone with 1. (CH₃)₂CHMgBr 2. H⁺ is
- The reaction of 1 mole each of p-hydroxyacetophenone and methyl magnesium iodide will give
- A compound 'A' has a molecular formula C₂Cl₃OH. A reduces Fehling's solution and on oxidation produces a monocarboxylic acid B. A...
- Formaldehyde when reacted with methyl magnesium bromide gives
- Compound A, when treated with ethyl magnesium iodide in dry ether, forms an addition compound which on hydrolysis forms compound...
- Ethyl acetate on reaction with a Grignard reagent gives
- CH₂=CHCH₂Br --Mg/Ether--> --(i) CO₂ (ii) H₃O⁺--> ? Product is
- Which halo acid gives a cyclic ester on treatment with aq. NaOH?
- Identify the final product (D) of the reaction: Benzene --Br₂/FeBr₃--> A --Mg/Ether--> B --(i) Dry ice (ii) H₃O⁺--> C...
- Identify the starting material of the following reaction: A --Mg/Ether--> --(i) CO₂ (ii) H₃O⁺--> a ring bearing –CH₂COOH.
- Alkaline hydrolysis of 1,1-dichloroalkane yields:
- Identify X in the sequence: X (1. CH₃MgCl, 2. H₂O/H⁺)→ C₅H₁₂O (Cu, 575 K)→ C₅H₁₀.
- Treatment of acetaldehyde with ethyl magnesium bromide and subsequent hydrolysis gives:
- The molecular formula of chlorinated acetone produced in the distillation with bleaching powder is:
- Identify X: (CH₃)₂C=O (CH₃MgI, dry ether)→ A (H₂O)→ X.
- Which of the following aldehydes on chlorination will give a product which can be used for the synthesis of DDT?
- Alkaline hydrolysis of R₂C·Cl₂ forms:
- A ketone reacted with C₂H₅MgBr reagent followed by hydrolysis gave a product which, on dehydration, gives an alkene. The alkene...
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