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NEET-XII-Chemistry

Previous Year Paper year:2017

with Solutions - page 2
Qstn# 26 Prvs-QstnNext-Qstn
  • #26
    Which one is the most acidic compound ?
    (1)
    (2)
    (3)
    (4)
    digAnsr:   1
    Ans : (1)
    Sol. ∵ Acidic strength ∝ stability of anion
    |
    OH
    |
    NO2
    O2N NO2
    |
    O-
    |
    NO2
    O2N NO2 -H⊕
    Max. stable anion due to delocalised Θve charge & -M effect of all three NO2 group