4 marksFunctional Group Analysis, Reactions and Mechanisms

CAPE Chemistry Unit 2 · 2007 · Paper 2 · Question 2(c)

Write a balanced equation for the reaction of chlorine with an excess of cold dilute sodium hydroxide, and state the change in oxidation state of chlorine in the reaction.

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2(a)Complete Table 1 by filling in the missing reaction products and observations: (i) reaction product for NaCl, (ii) reaction product for NaBr, (iii) observation…[5 marks]
2(b)Suggest ONE reason for the differences in physical states among chlorine (gas), bromine (liquid), and iodine (solid) at room temperature and pressure.[1 mark]

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