MCQ
If C4H9Cl with Na/ether gives 2,5-dimethylhexane, then the compound, C4H9Cl is:
- An-butylchloride
- Bsec-butylchloride
- Ciso-butylchloride
- Dtert-butylchloride
Explanation:
The reaction of Isobutyl chloride (C4H9Cl) with Na/Ether gives 2,5-dimethylhexane. This is a condensation reaction in which two molecules of sodium chloride are obtained for every molecule of 2,5-dimethylhexane.

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Assertion $A$ : Aryl halides cannot be prepared by replacement of hydroxyl group of phenol by halogen atom.
Reason $R$ : Phenols react with halogen acids violently. In the light of the above statements, choose the most appropriate from the options given below:
