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QAIPMT-2010-Ch-2014: NEET 2010 Chemistry - Class 12 AIPMT-2010-Ch-2014 Solution: Among the following four compounds (i) Phenol (ii) Methyl…
Among the following four compounds (i) Phenol (ii) Methyl phenol (iii) Meta-nitrophenol (iv) Para-nitrophenol. The acidity order is
Multiple Choice Options
- A
- B
- C
- D
Step-by-Step Verified Solution
In phenols, the presence of electron
releasing groups decrease the acidity, whereas
presence of electron withdrawing groups increase
the acidity, compared to phenol.
Among the meta
and para-nitrophenols, the latter is more acidic as
the presence of �NO 2
group at para position
stabilises the phenoxide ion to a greater extent than
when it is present at meta position. Thus, correct
order of acidity is :
(iv) > (iii) > (i) > (ii)