Balance the conversions :
`I^(-)(aq) overset(H^(+))rarr I_(2)(g)` and `Fe^(2+)(aq) overset(H^(+))rarr Fe^(3+)(aq)`

+H_(2)NCH_(2)CH_(3) overset(H^(+))rarr

overset(Mg)rarr X overset(CO_(2))rarr Y overset(H_(2)O)rarr Z

Identify A and B respectively in the following reactions : 4Au(s)+8CN^(-) (aq)+2H_(2)O (aq) overset(O_(2)(g))(rarr) A(aq)+4 OH^(-) (aq) overset(Zn (s))(rarr) B+2 Au (s)

Complete and balance the following reactions : (iii) C_(3)H_(8)(g) + 3H_(2)O(g) underset("Catalyst") overset(Delta)(rarr) .

Balance the following equations by the oxidation number method. a) I_((aq))^(-)rarr I_(2(g))" Acid solution" b) Fe_((aq))^(2+)rarrFe_((aq))^(3+)" Acid solution"

Balance the following redox reactions by ion-electron method : H_(2)O_(2)(aq)+Fe^(2+)(aq)to Fe^(3+)(aq)+H_(2)O(I) (in acidic solution )

Given the standard oxidation potential Fe overset(+0.4V) to Fe^(2+) (aq) overset(-0.8 V) to Fe^(3+) (aq) , Fe overset(+0.9V) to Fe(OH)_2 overset(0.6V) to Fe(OH)_3 It is easier to oxidize Fe^(2+) to Fe^(3+) in :

Oxidising power of chlorine in aqueous solution can be determined by the parameters indicated below : 1/2Cl_(2(g))overset(1/2Delta_(diss)H^(odot))(rarr) Cl_(g)overset(Delta_(cg)H^(odot))(rarr)Cl_((g))^(-) overset(Delta_(hyd)H^(odot))(rarr)Cl^(-)_(aq) The energy involved in the conversion of 1/2Cl_(2(g)) to Cl_((aq))^(-) (using the data, Delta_(diss)H_(CL_(2))^(odot)=240" "KJ" "mol^(-1), Delta_(eg)H_(Cl)^(odot)=-349 KJ" "mol^(-1) , Delta_(hyd)H_(Cl^(-))^(odot)=-381KJ" "mol^(-1) ) will be

Complete and balance the following reactions : (i) H_(2)(g) + M_(6)O_(3)(s) overset(Delta)(rarr) .

Phenol overset("Raney nickel")rarr overset(CrO_(3)//H_(2)SO_(4))rarr overset(H_(2)NOH)rarr overset(H_(2)SO_(4) " and heat")rarr overset(H_(2)O "heat")rarr Polymer. The polymer is