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The correct order of basic nature on aqueous solution for the bases ( NH ₃, H ₂ ~N - NH ₂, CH ₃ CH ₂ NH ₂ ), ( ( CH ₃ CH ₂ )₂ NH ) and ( ( CH ₃ CH ₂ )₃ ~N ) is :

Options

  1. A( NH ₃ H ₂ ~N - NH ₂ ( CH ₃ CH ₂ )₃ ~N ) ( CH ₃ CH ₂ NH ₂ ( CH ₃ CH ₂ )₂ NH )
  2. B( NH ₃ H ₂ ~N - NH ₂ CH ₃ CH ₂ NH ₂ ) ( ( CH ₃ CH ₂ )₂ NH ( CH ₃ CH ₂ )₃ ~N )
  3. C( H ₂ ~N - NH ₂ NH ₃ ( CH ₃ CH ₂ )₃ ~N ) ( CH ₃ CH ₂ NH ₂ ( CH ₃ CH ₂ )₂ NH )
  4. D( NH ₂- NH ₂ NH ₃ CH ₃ CH ₂ NH ₂ ) ( ( CH ₃ CH ₂ )₃ ~N ( CH ₃ CH ₂ )₂ NH )

Correct answer

D. ( NH ₂- NH ₂ NH ₃ CH ₃ CH ₂ NH ₂ ) ( ( CH ₃ CH ₂ )₃ ~N ( CH ₃ CH ₂ )₂ NH )

Step-by-step solution

Basic strength of amine depends on hydrogen bonding and electronic inductive effect. ( NH ( Et )₂ N ( Et )₃ NH ₂ Et N H ₃ NH ₂- NH ₂ )

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