Haloalkanes and Haloarenes questions
1135 published questions with worked solutions.
- The alkyl halides that can be made by free-radical halogenation of alkanes are
- CH_2=CH-CH(CH_3)-Cl (A) H_2O products Which of the following statements are correct?
- A cyclic alcohol precursor (A) is treated with (i) H^+ then (ii) H_2O to give the rearranged alcohol (B) (major product, via a...
- Which compound on reaction with ethylmagnesium bromide and water will form 2-methyl-2-butanol?
- CO_2 on reaction with C_2H_5MgBr and H_2O gives:
- Grignard reagent undergoes:
- Isobutyl magnesium bromide, with dry ether and absolute alcohol, gives:
- Which statement is wrong about chloroform?
- C_2H_5Br can be obtained in the laboratory by the action of ethyl alcohol with:
- 1-Chlorobutane on reaction with alcoholic KOH gives:
- Chloroform is kept in dark-coloured bottles because:
- Chloroform, on reaction with conc. HNO_3, gives an insecticide and war gas known as:
- Ethylene dichloride can be prepared by the reaction of HCl and:
- The correct order of melting and boiling points of primary (1°), secondary (2°) and tertiary (3°) alkyl halides is:
- Ethylidene dichloride, on treatment with aq. KOH, gives:
- A Grignard reagent is prepared by reacting magnesium with:
- In dihalogen derivatives, if two halogen atoms are attached to the same carbon atom, the compound is called:
- Grignard reagent shows addition on:
- When vinyl chloride is passed through alcoholic KOH solution:
- The S_N1 reactivity of ethyl chloride is:
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