CUET · CHEMISTRY · PYQ PAPER 2025
Arrange the following alkyl halides in increasing order of boiling points
(A) 1-Iodobutane
(B) 1-Bromobutane
(C) 1-Chlorobutane
(D) Butane
Choose the correct answer from the options given below:
- A (D), (C), (B), (A)
- B (A), (B), (C), (D)
- C (B), (C), (A), (D)
- D (A), (C), (B), (D)
Answer & Solution
Correct Answer
(A) (D), (C), (B), (A)
Step-by-step Solution
Detailed explanation
Boiling points increase with increasing molecular weight and stronger intermolecular forces. Order of molecular weight: Butane (\(58.12 \text{ g/mol}\)) Butane is nonpolar. Alkyl halides are polar and have stronger dipole-dipole interactions in addition to London dispersion…
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