Q48 / 359 · NTA Abhyas (NEET) 2020 · Chemistry · General Organic Chemistry

Rank the three compounds in order of decreasing acidity

Figure

  • A
    I, II, III
  • B
    III, II, I
  • Correct answer
    C
    II, I, III
  • D
    II, III, I

Solution

II is the strongest acid due to electron withdrawing resonance effect of -NO2 and III is weakest acid due to electron donating effect of -CH3 The decreasing order is
Figure
.

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

More General Organic Chemistry Questions