Which of the following orders is correct for the stability of these carbanions?                   

Which of the following orders is correct for the stability of these carbanions?

Which of the following orders is correct for the stability of these carbanions?

Which of the following orders is correct for the stability of these carbanions?

 ${\mathrm{CH}}_2=\mathrm{CH}-\stackrel{⊝}{\mathrm{C}}{\mathrm{H}}_2$ 

        ($\mathrm{i}$)                             ($\mathrm{ii}$)                          ($\mathrm{iii}$)

Which of the following orders is correct for the stability of these carbanions?

   ${\mathrm{CH}}_3-\stackrel{⊝}{\mathrm{C}}\mathrm{H}-\mathrm{CH}=\mathrm{O}$     

              ($\mathrm{i}$)                                        ($\mathrm{ii}$)                                                         ($\mathrm{iii}$)

Which of the following orders is correct for the stability of these carbanions?

            ($\mathrm{i}$)                                    ($\mathrm{ii}$)                                 ($\mathrm{iii}$)

Which of the following orders is correct for the stability of these carbanions?