Modern inorganic chemistry

96 ACIDS AND BASES: OXIDATION AND REDUCTION oxygens, each -2. total —8; overall charge on ion = -L hence the oxidation state of ...

ACIDS AND BASES: OXIDATION AND REDUCTION 97 Thus the equation for the reaction is: Cr 2 Or(aq) + 6Fe2+(aq) + 14H 3 O+ -> 2Cr3 ...

98 ACIDS AND BASES. OXIDATION AND REDUCTION ^=—H 5 Figure 4.4. The hydrogen electrode Standard redox potentials for metals (usua ...

ACIDS AND BASES: OXIDATION AND REDUCTION 99 lose electrons more readily than hydrogen and, therefore, be negative with respect t ...

100 ACIDS AND BASES: OXIDATION AND REDUCTION Table 4.3 REDOX POTENTIALS FOR ION-ION SYSTEMS (ACID SOLUTIONS) £(V) Sn^4 + (aq) + ...

ACIDS AND BASES: OXIDATION AND REDUCTION 101 (Note that the equation for metal-metal ion systems is a special case of this gener ...

102 ACIDS AND BASES: OXIDATION AND REDUCTION When either hydrogen ions or hydroxide ions participate in a redox half-reaction, t ...

ACIDS AND BASES: OXIDATION AND REDUCTION 103 We can determine the energetic feasibility for this reaction from the two half-reac ...

104 ACIDS AND BASES: OXIDATION AND REDUCTION lor which AG = AG(7; + AG(% = ( - 1467) + ( -f 1312) 155 kJ Thus chloride ions a ...

ACIDS AND BASES: OXIDATION AND REDUCTION 105 At equilibrium at 298 K the electrode potential of the half-reaction for copper, gi ...

106 ACIDS AND BASES: OXIDATION AND REDUCTION be more satisfactorily found by potential measurements of a cell incorporating the ...

ACIDS AND BASES: OXIDATION AND REDUCTION 107 150 100 070 0 50 100 150 Added Ce (IV)as% Fe (ED Figure 4.7. Potentiometric titrati ...

108 ACIDS AND BASES: OXIDATION AND REDUCTION Change a solution of iron(III) in aqueous solution to iron(II). Reagents are oxid ...

ACIDS AND BASES: OXIDATION AND REDUCTION 109 Identify the oxidising agent and the reducing agent in each reaction and write 'hal ...

110 ACIDS AND BASES: OXIDATION AND REDUCTION (a) Outline the principles of the method you would use to measure the standard red ...

5 Hydrogen One of the most readily observed reactions in chemistry is the familiar production of bubbles of a colourless gas whe ...

112 HYDROGEN molecule and allows reaction to proceed. The reactions of hydrogen will now be examined in more detail. REACTIONS W ...

HYDROGEN 113 these metal hydrides or interstitial hydrides may have variable composition (for example TiHx 7 ), depending on the ...

114 HYDROGEN the others are endothermic and plumbane PbH 4. the last hydride in the group, is almost too unstable to exist at al ...

HYDROGEN 115 phosphine PH 3 is weakly basic, hydrogen sulphide H 2 S is weakly acidic and hydrogen chloride HC1 markedly acidic. ...