Q5 / 75 · JEE Main 2020 (07 Jan Shift 2) · Chemistry

The correct order of stability for the following alkoxides is:

Figure

  • A
    B>A>C
  • Correct answer
    B
    C>B>A
  • C
    C>A>B
  • D
    B>C>A

Solution

If the negative charge is delocalised with electron withdrawing group like (NO2) then stability increase.
A) Negative charge is delocalised with NO2 group
B) Negative charge is delocalised with carbon of alkene
C) Negative charge is localised

Hence, the correct answer is option: 'B'.

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