The increasing order of basicity for the following intermediates is (from weak to strong)

Question

(iii) < (i) < (ii) < (iv) < (v)

(iii) < (iv) < (ii) < (i) < (v)

(v) < (i) < (iv) < (ii) < (iii)

(v) < (iii) < (ii) < (iv) < (i)

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