DIpole Moment

Which of the two has greater dipole moment -

A) mono chloro methane
B) tri chloro methane

6 Answers

1
Abhishek Das ·

I think its mono chloro methane...

1
Debosmit Majumder ·

both will have the same dipole moment

262
Aditya Bhutra ·

yes it is mono chloro methane but try proving that.
even i was confused at the first go !

1
Abhishek Das ·

@ Debosmit how???

1
Debosmit Majumder ·

i`m sry....a big mistake i made....forgot to consider the angle....the lp-lp repulsion between the chlorine atomes will increase the bond angle from 109.5 to a greater angle and so cos of that angle will be more negative....am i correct? @Aditya....so (a) will be the answer....

1357
Manish Shankar ·

because of repulsion between 3 C-Cl bonds, the three will try to go away towards planarity.

So the net resultant decreases

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