![]() ![]() The reaction of iron (III) ions with thiocyanate ions to form a dark red complex.The two complexation reactions you should memorise are: ![]() ![]() This appearance of bubbles is referred to as effervescence and allows for carbonate anions (CO 3 2-) to be easily identified through the addition of an acid.Ĭomplexation reactions are often used to identify cations. Since carbon dioxide is produced during this reaction, gas bubbles will be observed. Key chemical reactions for HSC Chemistry Module 8 Acid-carbonate reactionĪcids react with metal carbonates to form water, carbon dioxide and a salt.Īcid + carbonate → water + salt + carbon dioxideĮg. In this article, you will find all the useful tables and chemical equations you need to analyse both inorganic and organic substances along with practice exam-style questions. This means that students must draw from their knowledge of various key chemical ideas to solve a problem. What do you need to know to ace HSC Chemistry Module 8 Applying Chemical Ideas?Īs the module name suggests, a majority of HSC Chemistry Module 8 exam questions are application questions. ![]()
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