CHXI12:ORGANIC CHEMISTRY SOME BASIC PRINCIPLES AND TECHNIQUES
317296
Consider the following compounds

The correct order of basic strength is
1 i \(>\) ii \(>\) iii \(>\) iv
2 iii \(>\) iv \(>\) ii \(>\) i
3 iv \(>\) i \(>\) iii \(>\) ii
4 iv \(>\) iii \(>\) ii \(>\) i
Explanation:
+ I nature of \(\mathrm{CH}_{3}\) group increases electrons density on \(\mathrm{NH}_{2}\) group.