Question

Compare the boiling point of the bp of BF3 , B(CH3)3

Answer 1

Answer:

Explanation: b (ch3) 3 has greater bp than bf3 bcz of more sufrace area of b(ch3) 3 . Bp compared by inter molecular forces here both molecules are non polar so we check by london dispersion forces .

Answer 2

$BF_3$ has a lower boiling point than $BMe_3$.

• In $BF_3$ the B atom is attached to three electron-withdrawing F atoms which attracts the electron of the B-F bond and make the bond weaker and have a lower boiling point.
• Again in $BMe_3$ the B atom is attached to three electron donating Me group which donates the electron to the B-Me bond and makes the bond stronger and has a higher boiling point.