When the substances ,

CHEMISTRY · Single correct · A Level · Chemistry · Bonding · Bonding

Problem

When the substances Si\text{Si} , KCl\text{KCl} , CH3OH\text{CH}_3\text{OH} and C2H6\text{C}_2\text{H}_6 are arranged in order of increasing melting point, what is the correct order? (1) Si\text{Si} , KCl\text{KCl} , CH3OH\text{CH}_3\text{OH} , C2H6\text{C}_2\text{H}_6 (2) CH3OH\text{CH}_3\text{OH} , C2H6\text{C}_2\text{H}_6 , Si\text{Si} , KCl\text{KCl} (3) KCl\text{KCl} , Si\text{Si} , C2H6\text{C}_2\text{H}_6 , CH3OH\text{CH}_3\text{OH} (4) C2H6\text{C}_2\text{H}_6 , CH3OH\text{CH}_3\text{OH} , KCl\text{KCl} , Si\text{Si}

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