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Which of the following haloalkanes react...

Which of the following haloalkanes reacts with aqueous KOH most easily ? Explain giving reason.
(i). 1-Bromobutane
(ii) 2-Bromobutane
(iii) 2-Bromo-2-methylpropane
(iv). 2-Chlorobutane.

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2-Bromo-2-methylpropane (iii) is a `3^(@)` alkyl bromide. It readily undergoes ionization to form a stable `3^(@)` carbocation. Therefore, it reacts with aq. KOH most readily.
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PRADEEP-HALOALKANES AND HALOARENES-NCERT EXEMPLAR PROBLEMS WITH ANSWERS, HINTS AND SOLUTIONS (SHORT ANSWER QUESTIONS)
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  2. A hydrocarbon of molecular mass 72 g mol^(-1) gives a single monochlor...

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  9. How do polar solvents help in the first step in S(N)1 mechanism?

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  10. Write a test to detect the presence of double bond in a molecule.

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  14. How will you obtain monobromobenzene from aniline ?

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  15. Aryl halides are extremely less reactive towards nucleophilic substitu...

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  16. tert-Butylbromide reacts with aq. NaOH by S(N)1 mechanism while n but...

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  17. Predict the major product formed when HCl is added to isobutylene, Exp...

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  18. Discuss the nature of C-X bond in the haloarenes.

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