Ordene os ânions a seguir em função de sua basicidade.
CHX3CHX2C≡CX−\ce{CH3CH2C#C^-}CHX3CHX2C≡CX−, CHX3CHX2CH=CHX−\ce{CH3CH2CH=CH^-}CHX3CHX2CH=CHX−, CHX3CHX2CHX2CHX2X−\ce{CH3CH2CH2CH2^-}CHX3CHX2CHX2CHX2X−
CFX3CHX2C≡CX−\ce{CF3CH2C#C^-}CFX3CHX2C≡CX−, CHX3CFX2C≡CX−\ce{CH3CF2C#C^-}CHX3CFX2C≡CX−, CHX3CHX2CH=CHX−\ce{CH3CH2CH=CH^-}CHX3CHX2CH=CHX−
CHX3CHX2OX−\ce{CH3CH2O^-}CHX3CHX2OX−, CFX3C≡CX−\ce{CF3C#C^-}CFX3C≡CX−, NHX2X−\ce{NH2^-}NHX2X−
CHX3CHX2CHX2CHX2X−>CHX3CHX2CH=CHX−>CHX3CHX2C≡CX−\ce{CH3CH2CH2CH2^-}>\ce{CH3CH2CH=CH^-}>\ce{CH3CH2C#C^-}CHX3CHX2CHX2CHX2X−>CHX3CHX2CH=CHX−>CHX3CHX2C≡CX−
CHX3CHX2CH=CHX−>CFX3CHX2C≡CX−>CHX3CFX2C≡CX−\ce{CH3CH2CH=CH^-}>\ce{CF3CH2C#C^-}>\ce{CH3CF2C#C^-}CHX3CHX2CH=CHX−>CFX3CHX2C≡CX−>CHX3CFX2C≡CX−
NHX2X−>CHX3CHX2OX−>CFX3C≡CX−\ce{NH2^-}>\ce{CH3CH2O^-}>\ce{CF3C#C^-}NHX2X−>CHX3CHX2OX−>CFX3C≡CX−