Which of the following substances has the hig | vedclass

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(B) The melting point of a substance depends on the strength of the forces holding its particles together.$He$ is a noble gas with weak London dispers

Vedclass · Accepted Answer

$CsCl$

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(B) The melting point of a substance depends on the strength of the forces holding its particles together.$He$ is a noble gas with weak London dispersion forces.$NH_3$ and $CHCl_3$ are molecular solids held together by dipole-dipole interactions or hydrogen bonding,which are relatively weak.$CsCl$ is an ionic compound held together by strong electrostatic forces of attraction between $Cs^+$ and $Cl^-$ ions.Since ionic bonds are significantly stronger than intermolecular forces,$CsCl$ has the highest melting point.

Which of the following substances has the highest melting point?

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