Chemical BondingHard
Question
Which of the following molecule has highest dipole moment ?
Options
A.B2H6
B.NF3
C.NH3
D.BF3
Solution
BF3 and B2H6 being none-polar molecules do not show dipole moment. in NF3, The electronegative F pulls the electron toward itself due to which bond moments of the three N - F bonds is opposite to that of lone pair while in NH3 bond moments of the N - H bonds are in same are in same direction to that of lone pair.
Hence, bond moments add up in NH3 resulting in highest dipole moment among the given options.
Hence, bond moments add up in NH3 resulting in highest dipole moment among the given options.
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