11. ALCOHOLS, PHENOLS AND ETHERS

    1. Choose the correct option.

    i. Which of the following represents the increasing order of boiling points of (1), (2) and (3)?
    (1) CH3-CH2-CH2-CH2-OH
    (2) (CH3)2CH-O-CH3
    (3) (CH3)3COH
    A. (1) < (2) < (3) B. (2) < (1) < (3)
    C. (3) < (2) < (1) D. (2) < (3) < (1)

    Answer:-

    The boiling points of alcohols follow the increasing order as (1) < (2) < (3). This trend can be explained by the fact that primary alcohols generally have a higher boiling point compared to secondary alcohols. This difference in boiling points is primarily attributed to the ability of primary alcohols to form hydrogen bonds.

    When transitioning from the liquid state to the gaseous state, a greater degree of separation is required between the molecules within the compound. Consequently, breaking the hydrogen bonds present in primary alcohols demands more energy, contributing to their higher boiling points

    Q 1.1
    Q 1.2

    11. ALCOHOLS, PHENOLS AND ETHERS 252

    Appears in Chemistry  Textbook Solution Class 12 Maharashtra Board  

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