1.

Which of the following fluro-compounds is most likely to behave as a Lewis base?

Answer»

`BF_3`
`PF_3`
`CF_4`
`SiF_4`

SOLUTION :`BF_3 to` electron DEFICIENT `to` LEWIS acid
`PF_3 to` electron rich `to` Lewis base
`CO to` NEUTRAL `to` neither lewis acid nor base
`SiF_4 to` neutral `to` neither lewis acid nor base


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