1.

In whichof the following 2^(nd) anion is more stable than first ?

Answer»

`O_(2)N-overset(ɵ)(C)H_(2)` and `F-overset()(C)H_(2)`
`overset(ɵ)(C)F_(3)` and `overset(ɵ)C Cl_(3)`
`F_(3)C-overset(ɵ)(C)H_(2)` and `Cl_(3)C-overset(ɵ)(C)H_(2)`
`CH_(3)-overset(O)overset(||)(C)-overset(ɵ)(C)H_(2)` and `H_(2)N-overset(ɵ)(C)H_(2)`

SOLUTION :Due to `PPI -dpi` back BONDING `C Cl_(3)^(-)` is more stablethen `CF_(3)^(-)`


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