Edexcel A-Level Chemistry A2 17.9 Why There Is a Lack of Colour in Some Aqueous Ions Topic Practice

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Pearson Edexcel IAL Chemistry

Unit 4: Rates, Equilibria and Further Organic Chemistry

Topic 11: Kinetics

Topic 12: Entropy and Energetics

Topic 13: Chemical Equilibria

Topic 14: Acid-base Equilibria

Topic 15: Organic Chemistry: Carbonyls, Carboxylic Acids and Chirality

Unit 5: Transition Metals and Organic Nitrogen Chemistry

Topic 16: Redox Equilibria

Topic 17: Transition Metals and their Chemistry

17.1 - Transition metals are d-block elements that form

17.2 - Deduce the electronic configurations of atoms and

17.3 - Why transition metals show variable oxidation number

17.4 - the term 'ligand'

17.5 - Dative (coordinate) covalent bonding is involved in

17.6 - complex ion is a central metal ion surrounded by

17.7 - Aqueous solutions of transition metal ions are

17.8 - colour of aqueous ions, and other complex ions, is

17.9 - Why there is a lack of colour in some aqueous ions

17.10 - meaning of the term 'coordination number'

17.11 - Colour changes in transition metal ions may arise

17.12 - H2O, OH- and NH3 act as monodentate ligands

17.13 - Why complexes with six-fold coordination have an

17.14 - Transition metal ions may form tetrahedral

17.15 - Square planar complexes are also formed by

17.16 - terms 'bidentate' and 'hexadentate' in relation to

17.17 - Haemoglobin is an iron(II) complex containing a

17.18 - colours of the oxidation states of vanadium (+5,

17.19 - Redox reactions for the interconversion of the

17.20 - Understand, in terms of the relevant E values, that

17.21 - dichromate(VI) ion, Cr2O 7 2- can be converted into

17.22 - Record observations and write suitable equations

17.23 - Ionic equations to show the meaning of amphoteric

17.24 - Ligand exchange, and an accompanying colour change,

17.25 - Understand, in terms of the positive increase in

17.26 - Transition metals and their compounds can act as

17.27 - heterogeneous catalyst is in a different phase from

17.28 - Understand, in terms of oxidation number, how V2O5

17.29 - a catalytic converter decreases carbon monoxide and

17.30 - homogeneous catalyst is in the same phase as the

17.31 - role of Fe2+ ions in catalysing the reaction

17.32 - role of Mn2+ ions in autocatalysing the reaction

17.33 - CORE PRACTICAL 14 The preparation of a transition

17.SP1 - Further suggested practical: prepare the different

17.SP2 - Further suggested practical: investigate the

17.SP3 - Further suggested practical: carry out the

17.SP4 - Further suggested practical: carry out the ligand

17.SP5 - Further suggested practical: investigate the

Topic 18: Organic Chemistry – Arenes

Topic 19: Organic Nitrogen Compounds: Amines, Amides, Amino Acids and Proteins

Topic 20: Organic Synthesis

Unit 6: Practical Skills in Chemistry II

Practical Skills in Chemistry II

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