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| 1. |
n-Butyl bromide has higher boiling point than t-butyl bromide. Give reasons. |
| Answer» SOLUTION :For the SAMME alkyl group, the b.p. decreases as the branching increases or the SURFACE area decreases. Since n-butyl bromide has no branching while t-butyl bromide has two branches, therefore, b.p., of n-butyl bromide is higher than that of t-butyl bromide. <BR> `underset("No branching, surface area is more and hence has higher b.p. (i.e., 375 K)")(CH_(3)CH_(2)CH_(2)CH_(2)-Br)""underset("Two branches at "alpha"-carbon, surface area is LESS and hence has lower b.p. (i.e., 346 K)")(CH_(3)-underset(CH_(3))underset(|)overset(CH_(3))overset(|)(.^(alpha)C)-Br)` | |