12/8/2017 1 1:55 PM 4.1 /5 Print CalcuiatorPeriodic Table Print Il Calculator Qu

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12/8/2017 1 1:55 PM 4.1 /5 Print CalcuiatorPeriodic Table Print Il Calculator Question 17 of 17 Incorrect IncorrectIncorrect Sapling Learning Rank the melting points of the following compounds Highest Melting Point Incorrect The melting points of covalent compounds are determined by the strength of the intermolecular forces holding them together. London dispersion foroes are present in all molecules, but molecules can potentially have dipole-dipole interactions that will increase the strength of the interaction, and thus increase the melting point CHiCH/CHs Lowest Melting Point about us caneers privacy poicy tems of use cont 5 MacBook Air

Explanation / Answer

ionic compound will melt at higher melting point than that of covalent compound.

In covelent compound more the intermolecular force of attraction will have higher melting point.

SiC - Highest melting point

KF - Ionic

KI - less ionic than KF

CH3CH2OH - Intermolecular force of attraction large due to H-bonding between the olecules.

CH3CH2CH3 - less melting point. only london disperssion attraction will be there between the molecules.

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