In which of the following Second anion is more stable than First?

1.	In which of the following Second anion is more stable than First?
Answer» `O_2N - OVERSET(ODOT)CH_2 and F-overset(odot)CH_2` `overset(odot)CF_3 and overset(odot)C Cl_3` `F_3C - overset(odot)CH_2 and Cl_3C - overset(odot)C H_2 ` `CH_3-overset(O)overset(\|\|)C- overset(oplus)CH_2 and H_2N - overset(odot)CH_2` SOLUTION :d-orbital RESONANCE in `overset(Ɵ)C Cl_3`

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