Which of the following lists the substances in order of increasing melting point…

CHEMISTRY · Single correct · ISC · Chemistry · Chemical Bonding and Molecular Structure · Comparing ionic and covalent bonds

Problem

Which of the following lists the substances in order of increasing melting point (from lowest to highest)? (a) II<I<III<IV\text{II} < \text{I} < \text{III} < \text{IV} (b) I<II<III<IV\text{I} < \text{II} < \text{III} < \text{IV} (c) I<III<II<IV\text{I} < \text{III} < \text{II} < \text{IV} (d) I<IV<III<II\text{I} < \text{IV} < \text{III} < \text{II}

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