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Question
Which of the following fluro compounds is most likely to behave as a Lewis base?
Options
BF3
PF3
CF4
SiF4
Solution
PF3
Explanation:
BF3 → electron deficient → Lewis acid
PF3 → electron rich → Lewis base
CF4 → neutral → neither lewis acid nor base
SiF4 → neutral → neither lewis acid nor base
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