K(a) for the reaction, Fe^(3+)(aq)+H(2...

`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+)`?

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K_(a) for the ionisation of Fe^(3+) to Fe(OH)^(2+) and H^(o+) is 6.5 xx 10^(-3) , what is the maximum pH value which could be used so that at least 95% of the total Fe^(3+) in a dilute solution exists as Fe^(3+) ?

Fe^(2+)(aq.)+Cr_(2)O_(7)^(2-)+H^(+) to Fe^(3+)(aq.)+Cr^(3+)

In the reaction : 4Fe(s)+3O_(2)(g)to4Fe^(3+)(aq)+6O^(2-)(aq) which of the following statement is incorrect ?

In the reaction : 43Fe(s)+3O_(2)(g)to4Fe^(3+)(aq)+6O^(2-)(aq) which of the following statement is incorrect ?

In the reaction : 4 Fe(s)+3 O_(2)(g)to4Fe^(3+)(aq)+6O^(2-)(aq) which of the following statement is incorrect ?

`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+)`?

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`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+)`?