Which of the following fluoro-compound is most likely to behave as a Lewis base ?
(1) BF₃ (2) PF₃ (3) CF₄ (4) SiF₄
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Answer:
BF3 → Lewis acid (incomplete octet)
PF3 → Lewis base (presence of lone pair on p atom)
CF4 → Complete octet
SiF4 → Lewis acid (empty d-orbital in Si-atom)followi
Explanation:
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correct answer is...
[C] PF3
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