Haloalkanes and Haloarenes questions
1135 published questions with worked solutions.
- Which of the following does not form a Grignard reagent?
- Chloretone, used as a drug, is prepared by the reaction of acetone with:
- Ethyl iodide, on treatment with alcoholic potash, gives:
- A small amount of alcohol is usually added to CHCl_3 bottles because:
- The reagent used for dehalogenation of 1,2-dichloropropane is:
- Dehydrohalogenation in haloalkanes produces:
- 2-Chlorobutane, obtained by chlorination of butane, will be:
- S_N1 reaction is favoured by:
- For a given alkyl group, the densities/boiling points/melting points are in the order:
- Which of the following is a primary halide?
- In order to get ethanethiol from C_2H_5Br, the reagent used is:
- Methyl chloride, on treatment with potassium cyanide followed by hydrolysis, yields:
- In the Wurtz reaction of alkyl halides with sodium, the reactivity order of these halides is:
- Elimination of HBr from 2-bromobutane results in the formation of:
- The alkyl group of a Grignard reagent acts as:
- A compound A of formula C_3H_6Cl_2, on reaction with alkali, can give B of formula C_3H_6O or C of formula C_3H_4. B, on...
- Methylene chloride, on hydrolysis, yields:
- Ethylene dichloride can be prepared by adding HCl to:
- The C-Mg bond in CH_3CH_2MgBr is:
- In the S_N1 reaction, the first step involves the formation of:
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