−NO2 has a strong –M effect and −CH3 shows +I,HC effect,
Basic strength ∝+M,+I,HC
∴ Order of basic strength is:
NEET UG 2017 — Chemistry Organic Chemistry
2017mcqeasy
The correct increasing order of the basic strength for the following compounds is:
Official previous-year question
Held on 30 Apr 2017 · Verified 9 Jul 2026.
Options
- A
II<III<I
- B
III<I<II
- C
III<II<I
- D
II<I<III
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