Complex Formation 4.5 / 5 based on 6 ratings ? ChemistryAcids, bases and saltsA2/A-levelOCR Created by: Lacey ReadCreated on: 16-12-12 11:53 What are ligands? Molecules with one or more pairs of lone pairs of electrons. 1 of 26 What type of bonds do ligands form? Dative covalent 2 of 26 What is the number of bonds between the central metal and ligands called? Co-ordination number 3 of 26 If a complex has a co-ordination number of 6, then the shape will be... Octahedral 4 of 26 If a complex has a co-ordination number of 4, the shape will be... Tetrahedral/Square Planar 5 of 26 If a complex has a co-ordination number of 2, the shape will be... Linear 6 of 26 What is it called when a ligands and central metal form one bond? Monodentate 7 of 26 What is it called when a ligands and central metal form two bonds? Bidentate 8 of 26 What is it called when a ligands and central metal form many bonds? Polydentate 9 of 26 If the molecule is water, what is the name of the ligand? Aqua 10 of 26 If the molecule is ammonia, what is the name of the ligand? Ammine 11 of 26 If the molecule is hydroxide ion, what is the name of the ligand? Hydroxo 12 of 26 If the molecule is cyanide ion, what is the name of the ligand? Cyano 13 of 26 Which ligand is polydentate? Edta 14 of 26 Which ligand is bidentate? Ethanedioate 15 of 26 What number does the prefix tetra- mean? four 16 of 26 If the overall charge on the molecule is negative, you use the ....... name to name the central metal. Latinised 17 of 26 The colour the complex solution appears, is the ...... colour it absorbs. Complementary 18 of 26 The latinised name for copper is Cuprate 19 of 26 The latinised name for lead is Plumbate 20 of 26 When can a ligand displace another? When the ligand is more stable 21 of 26 Ligand substitution reactions are also known as ligand ... reactions. Exchange 22 of 26 What is the appearence of Fe(OH)2 (s)? Green gelatinous solid 23 of 26 What is the appearence of Fe(OH)3 (s)? Orange gelatinous solid 24 of 26 What is the appearence of Cu(OH)2 (s)? Pale blue solid 25 of 26 The larger the value of the stability complex, the ... stable a complex is. more 26 of 26
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