Which of the following substances would have the highest dispersion forces? Why? Ne, FCI, N2H4 SO2, SO3, C20H42, MgO, Si, CsI, Sn, H2O, CCl4

Si

Explanation:

Dispersion force or London force is the force of attraction between two atoms or molecules in a substance in solid , liquid and gas . In gas , this force is minimum and in solid this force is maximum . In solid this force is maximum in metals in which this force forms  metallic bond .

Among the given substances , Si , Sn , MgO , C₂₀H₄₂ are solid , so dispersion force will be high in them .

Among all as mentioned above , Si will have highest dispersion force . It is due to four covalent bond that bind two atoms of Si in solid silicon . Its three dimensional crystal structure consist of silicon atoms , all bound by four covalent bonds .

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answerlinnaeus;