dipole-moment

Question

Hello ma'am/sir,

I'm confused at the questions related to dipole moment. Questions like out of the given compds, whose dipole moment is zero or arrange the given compds in the inc order of their dipole moments.So, kindly tell how do we decide that the dipole moment of a compd is zero and how are the moments of two differnt compds compared like which is less or which is more ?

Sunil Kumar FP · Accepted Answer

dipole moment is bsically the product of charge and distance it is a vector quantity.its dire tion is towards the highlyelectonegtivity atom in the periodic table.suppose for ncl dipole moment will be toeards cl.

if youvare familar with the syructure then its esy tp predict the direction of dipole moment hence expect wether it would be o or not.

suppose CS2 molecule it is linear and hVe symmetry

so its dipole moment s o. S===C===S.here s is a more electronegative so the dire tion is c to s ans since the molecule is symmetry its dupole molment is 0.similarly co2 mole ule.

cis and trans molecule

cis dipole moment is greater than trans form.

simple it is vector addition greatr the angle berween bond greater is the dipole moment.

to determine orientTion im benzene ring

for dichlorobenzene

ortho>meta>para

reason bind angle and direction of polarity.

lastly see the electronegativity,know bond angle approx it would help

further doubt ask one example

thanks and regards

sunil kr

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Organic Chemistry> dipole-moment...

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Sunil Kumar FP

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SKS , 11 Years ago

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