Following reaction describes the rusting of iron 4Fe+3O_(2) rarr 4Fe^(3+)+6O^(2-) Which one of the following statements is incorrect?
In the reaction 2Al(s)+6HCl(aq)to6Cl^(-)(aq)+3H_2
In the cell reaction: 2Al(s)+3NI^(2+)(aq)rarr2Al^(3+)(aq)+3Ni(s) The value of n is
Iron forms a many complexes in its +2 and +3 oxidation states such as [Fe(H_2O)_6]^(2+) (A), [Fe(CN)_6]^(4-) (B), [Fe(H_2O)_6]^(3+) (C), [Fe(CN)_6]^(3-)(D) , etc. They exhibit different magnetic properties and undergo different hybridisation of iron. Which of the following statements is wrong ?
K_(a) for the reaction, Fe^(3+)(aq)+H_(2)O(l)hArr Fe(OH)^(2+)(aq) +H_(3)O^(o+)(aq) is 6.5 xx 10^(-3) , what is the maximum pH value which could be used so that at least 80% of the total iron (III) in a dilute solution exsists as Fe^(3+) ?
Balance the following equation : Fe + O2 → Fe2O3
Fe_(2)O_(3)(s) may be converted to Fe by the reaction Fe_(2)O_(3)(s)+3H_(2)(g)hArr2Fe(s)+3H_(2)O(g) for which K_(c)=8 at temp . 720^(@)c . What percentage of the H_(2) ramains unreacted after the reaction hascome to equilibrium ?
Which of the following statements about the given reaction are correct? 3Fe(s) + 4H_2O(g) rarr Fe_3O_4(s) + 4H_2(g) (i) Iron metal is getting oxidised (ii) Water is getting reduced (iii) Water is acting as reducing agent (iv) Water is acting as oxidising agent
Complete the following reaction : Fe_2O_3 + Al rarr
The equilibrium constant of the following redox reaction is 298K is 1xx10^8 2Fe^(3+)(aq)+2I^-(aq)Leftrightarrow2Fe^(2+)(aq)+I_2(s) If the standard reduction potential of iodine becoming iodide is +0.54V, what is the standard reduction potential of Fe^(3+)/Fe^(2+) ?
