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(a)Give the decreasing order of melting ...

(a)Give the decreasing order of melting points of the following `NH_(3),PH_(3),(CH_(3))_(3)N` Explain
(b) In which molecule is the van der Waals force likely to be the most important in determining the m.pt and b.pt for `ICI,Br_(2),HCI,H_(2)S,CO` .

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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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