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All molecules with polar bonds have dipo...

All molecules with polar bonds have dipole moment.

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Only unsymmetrical .
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Assertion : All diatomic molecules with polar bond have dipole moment. Reason : Dipole moment is a vector quantity.

Assertion : All diatomic molecules with polar bond have dipole moment. Reason : Dipole moment is a vector quantity.

Statement 1 : All molecules with polar bonds may not have dipole moments Statement 2 : Dipole moment is a vectot quantity and bond dipoles may cancel out.

Which of the following molecules will have polar bonds but zero dipole moment?

Which of the following molecules will have polar bonds but zero dipole moment ?

The molecule (s) that will have dipole moment is/are:

Which of the following molecules does not have net dipole moment?

The molecule which does not exhibit net dipole moment is

The measure of net molecular polarity is a quantity called dipole moment which is defined as the magnitude of the charge Q at either end of the molecular dipole times the distance 'r' between the charge : mu=Qxxr Molecular polarities give rise to some of the forces that occur between molecules.Such forces are termed as intermolecular forces.These molecular forces are of several different types including dipole-dipole forces, London dispersion forces, hydrogen bonds and ion-dipole forces (operate between ions and molecules).These intermolecular forces are electrical in origin and results from the mutual attraction of unlike charges or the mutual repulsion of like charges. A formal positive charge on the central atom affect the size of orbitals.A formal positive charge on central atom will pull in all electrons towards the nucleus and this will leads to the contraction in size of orbitals. Which of the following molecule does not have dipole moment ?

Polar covalent molecules exhibit dipole moment. Dipole moment is equal to the product of charge separation , q and the bond length d for the bond. Unit of dipole moment is debye. One debye is equal to 10^(-18) esu cm. Dipole moments is a vector quantity. It has both magnitude and direction. Hence, dipole moment of a molecule depends upon the relative orientation of the bond dipoles, but not on the polarity of bonds alone. A symmetrical structure shows zero dipole moment. Thus, dipole moment helps to predict the geometry of a molecules. Dipole moment values can be distinguish between cis- and trans- isomers, ortho, meta and pare-forms of a substance, etc. Q. Which is a polar molecule?

CENGAGE CHEMISTRY ENGLISH-CHEMICAL BONDING AND MOLECULAR STRUCTURE-Exercises True/False
  1. Acidic strength order CI(2)O(7) gtSO(3) gtP(4) O(10) .

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  2. Acidic strength order HCIO gtHBrO gtHIO .

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  3. Basic strength order NH(3) gtPH(3) gtAsH(3) gtBiH(3) .

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  4. XeO(3) is a trigonal pyramidal molecule .

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  5. The lanthanoid ions other than the f^(0) type and f^(14) types are all...

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  6. LiHCO(3) and Ca(HCO(3))(2) are not found in solid state .

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  7. All molecules with polar bonds have dipole moment.

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  8. Assertion : Ionic bonds are directional in nature whereas covalent bo...

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  9. The dipole moment of CH3F is greater than that of CH3Cl.

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  10. The presence of polar bonds in a polyatomic molecule suggests that the...

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  11. The boiling point of HCI is less than that of HF .

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  12. Both PH(3) and PH(5) exist .

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  13. sigma2s, pi^(**) (2p(x)) and pi(2p(x)) are gerade MO .

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  14. Out of NO,NO^(o+) and CN^(o+) the paramagnetic species is NO^(o+) .

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  15. Arrange the following types of intermolecular forces in order of decre...

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  16. sigma2s, pi^(**) (2p(x)) and pi(2p(x)) are gerade MO .

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  17. Predict the order of decreasing boiling points of the following H(2),H...

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  18. (a)Give the decreasing order of melting points of the following NH(3),...

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  19. Out of CH(3)OH and (CH(3))(3)N both exhibit H-bonding .

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  20. CO(2) and N(3)^(Theta) have sane bond order and same shape .

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