Hey guys,
Problem is, I was unsure about 33c) in:
Paper: http://www.boardofstudies.nsw.edu.au/hsc_exams/hsc2011exams/pdf_doc/2011-hsc-exam-chemistry.pdf
Marking Guidelines: http://www.boardofstudies.nsw.edu.au/hsc_exams/hsc2011exams/pdf_doc/chemistry-marking-guide-11.pdf
So I was...