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6 • and 42 x in total (1) dative bond C l to A l clearly shown by xx (1) [6] (c) chlorine is a strong/powerful oxidising agent (1) [1] © UCLES 2009 Page 3 Mark Scheme: Teachers’ version Syllabus Paper GCE A/AS LEVEL – May/June 2009 9701 21 (d) (i) n(Ti) ...