Tetrachloromethane, CCl₄, is a colourless liquid formed when a hydrocarbon Y reacts with chlorine.

1. aName the hydrocarbon Y. [1]
2. bState the type of reaction between hydrocarbon Y and chlorine. [1]
3. cDescribe a dot-and-cross diagram to show the bonding in tetrachloromethane, outer electrons only (draw it on paper). [3]
4. dWhich element, carbon or chlorine, has a larger atomic radius? Suggest a reason. [2]
5. eThe boiling point of tetrachloromethane is 77 °C and that of water is 100 °C. Explain why tetrachloromethane has a lower boiling point than water. [2]

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