Why is `BF_(3)` a Lewis acid?

Why is BF_(3) a weaker Lewis acid than BCI_(3) ?

Why BF_3 acts as a Lewis acid?

What will happens if CO is treated with NaOH at high temp.Why BF_3 acts as lewis acid? What is glass?

Explain why melting and boiling point point of Boron is too high. Stall two 'P' block element which has diagonal relationship. Why BF_3 acts as lewis acid?

Why does BF_(3) behaves as Lewis acid?

Why does BF_3 behave as Lewis acid?

Why cations are Lewis acids?

Why does BF_3' act as a lewis acid?

Why does BF_3 behave as a Lewis acid?