Balance the following reaction in a basic solution:                      CrO4- +  HSnO2- →  CrO2- +  HSnO3-

Calculate the sum of coefficients for the following equation balanced for acidic conditions. XO4-2 + Y23+ → YO3+ + XO2-

Give the explanation of correct and incorrect option

1) Why is NaClO left out of some laundry bleach? It is not due to price.   2) Which reactant is oxidized in the following reaction:       I2 + 2S2O32- ⇌ 2I- + S4O62-

What is the coefficient of the H+,, and the number of electrons, when the following half reaction is balanced?  ClO3– → Cl2  (acidic solution)     6 H+, 4e–     6 H+, 10e–     12 H+, 10e–     None of these     6 H+, 5e–

Assign oxidation numbers to each element and balance the equation in an acidic solution.  Cr2O72- + Fe2+ → Fe3+ + Cr3+

Calculate [Cu+] and [CN-] in a 0.500 M solution of [Cu(CN)2]-. Kf = 1.0 × 10^16

Examine the following half-reactions and select the weakest reducing agent among the substances. Cr(OH)3(s) + 3e- Cr(s) + 3OH-(aq) SnO₂(s) + 2H₂O(l) + 4e¯ ≥ Sn(s) + 4OH-( aq) MnO₂(s) + 4H*(aq) + 2e- ⇒ Mn²*(aq) + 2H₂O(l) Hg2SO4(s) + 2e-2Hg(/) + SO4²-(aq) A) Cr(s) B) OH-(aq) C) Sn(s) D) Hg(/) 2+ E) Mn²+ (aq) E° = -1.48 V E° = -0.945 V E° = 1.224 V E° = 0.613 V

Draw th Include resonance Structure(s) of the Ö: missing formel Charges :Ö:0 I X I Ik de

Calculate the sum of coefficients for the following equation balanced for acidic conditions. XO93- + Y22+ → YO2- + XO2-