A) (i) < (iv) < (ii) < (iii)
B) (iv) < (iii) < (ii) < (i)
C) (i) < (ii) < (iii) < (iv)
D) (ii) < (iii) < (iv) < (i)
E) (iv) < (iii) < (ii) < (i)
Correct Answer: A
Solution :
Basicity order is \[{{C}_{4}}{{H}_{5}}N{{H}_{2}}<{{(C{{H}_{3}})}_{3}}N<C{{H}_{3}}N{{H}_{2}}<{{(C{{H}_{3}})}_{2}}NH\] \[{{(C{{H}_{3}})}_{3}}N\] is less basic due to steric effect while \[{{C}_{4}}{{H}_{5}}N{{H}_{2}}\] is less basic due to resonance.
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