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Which is stronger conjugate base in each...

Which is stronger conjugate base in each pair ?
(A) `overset(-)OH` or `Noverset(-)H_(2)`
`overset(-)CH_(3)` or `CH_(3)COO^(-)`
(C) `HCOO^(-)` or `CH_(3)COO^(-)` (D) `CF_(3)COO^(-)` or `C Cl_(3)COO^(-)`

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Verified by Experts

The correct Answer is:
(A) `NH_(2)^(-)` (B) `CH_(3)^(-)` (C) `CH_(3)COO^(-)` (D) `C Cl_(3)COO^(-)`
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ALLEN-ALKENE, ALKANE & ALKYNE -EXERCISE-4[A]
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  11. Arrange the following in decreasing basic order with proper reasoning.

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