The decreasing order of rate of reaction for the following compounds towards S_(N)2Th (bimolecular nucleophilic substitution with tetrahedral intermediate) reaction is (i) CH_(3)-CH_(2)-overset(O)overset(||)C-NH_(2) (ii) CH_(3)-CH_(2)-overset(O)overset(||)C-Br (iii) CH_(3)-CH_(2)-overset(O)overset(||)C-O-overset(O)overset(||)C-CH_(2)-CH_(3) (iv) CH_(3)-CH_(2)-overset(O)overset(||)C-O-C_(2)H_(5)

The decreasing order of rate of reaction for the following compounds t

1.	The decreasing order of rate of reaction for the following compounds towards S_(N)2Th (bimolecular nucleophilic substitution with tetrahedral intermediate) reaction is (i) CH_(3)-CH_(2)-overset(O)overset(\|\|)C-NH_(2) (ii) CH_(3)-CH_(2)-overset(O)overset(\|\|)C-Br (iii) CH_(3)-CH_(2)-overset(O)overset(\|\|)C-O-overset(O)overset(\|\|)C-CH_(2)-CH_(3) (iv) CH_(3)-CH_(2)-overset(O)overset(\|\|)C-O-C_(2)H_(5)
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