Dipole Moment (Chem. Bonding)
How to go about this? Shouldn't HBr have the highest dipole moment? (Large E.N. difference between them as compared to others)
21 Replies
@Dexter
Note for OP
+solved @user1 @user2... to close the thread when your doubt is solved. Mention the users who helped you solve the doubt. This will be added to their stats.but others have lp
so their structures r diff uve to count that too
is it 2?
Yeah it is 2.
N and H electronegativity diff is highest
How exactly do we look at the diff. in structures?
uh hybridisation ?
chcl3 structur i thik they ask usually
like ch2cl2
chcl3
so maybe chekc out that
so NH3 has highest dipole moment so only option 2
No like for instance H2S and CHCl3 both seem less polar
uh wait just a sec ill brb
What 'bout lone pair vs 3 N-H vectors? Does that create a lot of difference in dipole?
oh wait so nh3 h2s and chcl3 all r sp3
if u compare these 3 N and H have highest EN difference
compare b/w the structures
Ah.
So basically:
1. Look at structure
2. Go by E.N. diff if substantial
But how to compare between H2S and CHCl3 if possible?
Oh wait lone pairs on S increase dipole substantially?
yes 2 lp
uhh
so more lp means BA decreases
between the H atoms so
Oh right.
effective dipole moment increases?
does thatmake sense
Sorta.
Lone pair increases dipole and reduction in BA decreases it slightly
So it would be sort of increased right?
i guess so
Okay.
Thanks a lot.
if angle decreases i think net dipole moment would increase
coz like cos value is decreasing from 0 to 90 rig
idk
+solved @simplybear
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