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  • Which bond angle would result in the maximum dipole moment for the triatomic molecule YXYOption: 1

Which bond angle \theta would result in the maximum dipole moment for the triatomic molecule YXY

Option: 1

\theta=90^{\circ}


Option: 2

\theta=120^{\circ}


Option: 3

\theta=150^{\circ}


Option: 4

\theta=180^{\circ}


Answers (1)

The dipole moment of two dipoles \vec{A} and \vec{B} at an angle of \theta is given as 

\mathrm{|\vec{R}| = \sqrt{A^2 + B^2 + 2AB \ cos\theta}}

The magnitude of the resultant vector will be maximum when the value of \mathrm{cos\theta}  is 1.i.e. when the value of \mathrm{\theta=90^\circ}

Hence, the correct answer is Option (1)

Posted by

Kshitij

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