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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` .A. `CO`B. `H_(2)S`C. `Br_(2)`D. `HCI` |
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Answer» Correct Answer - c `Br_(2)` is non polar molecular and hence its molting and boiling points depend only on Van der Waals forces while all order molecular are having dipole moment hence their melting and boling point depends upon dipole-dipole interactions. |
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