Concept explainers
(a)
Interpretation:
The balanced net ionic equation for oxidation of
Concept Introduction:
Hydrogen peroxide act as both strong oxidising and reducing agent. In aqueous solution it will act as weak acid, predominantly dissociates to gives
(b)
Interpretation:
The balanced net ionic equation for reduction of
Concept Introduction:
Hydrogen peroxide act as both strong oxidising and reducing agent. In aqueous solution it will act as weak acid, predominantly dissociates to gives
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General Chemistry: Atoms First
- Predict the products of each of the following reactions and then balance the chemical equations.(a) Fe is heated in an atmosphere of steam.(b) NaOH is added to a solution of Fe(NO3)3.(c) FeSO4 is added to an acidic solution of KMnO4.(d) Fe is added to a dilute solution of H2SO4.(e) A solution of Fe(NO3)2 and HNO3 is allowed to stand in air.(f) FeCO3 is added to a solution of HClO4.(g) Fe is heated in air.arrow_forward(b) Write chemical equations for the following processes:(iv) Reduction of VO2+ to produce VO2+(v) Neutralization of sulfuric acid by barium hydroxide(vi) Thermal decomposition of 1 mol of sodium bicarbonate to produce sodium carbonate,carbon dioxide and waterarrow_forwardWrite balanced chemical equations for the following reactions:(a) zinc metal heated in a stream of oxygen gas(b) zinc carbonate heated until loss of mass stops(c) zinc carbonate added to a solution of acetic acid, CH3CO2H(d) zinc added to a solution of hydrobromic acidarrow_forward
- Write a balanced chemical reaction for the reaction of S2O32- ions with bromine to give bromide and sulfate ions in basic solutionarrow_forward(c) Suggest how the following boron species could be prepared, showing any intermediates. -B(OH)2 B(OH)2arrow_forward(1) Calculate oxidation number of: (a) Cr in Cro7 2- (b) P in Na2HPO4 (c) S in H2SO4 (II) Write the balanced equation for the reaction when: zinc sulphide reacts with oxygen giving zinc oxide and sulphur dioxide.arrow_forward
- Magnesium is obtained by electrolysis of molten MgCl2. (a) Why is an aqueous solution of MgCl2 not used in the electrolysis?arrow_forwardComplete and balance the following:(a) Excess Sb(s) +Br₂(l)→ (b) HNO₃(aq)+ MgCO₃(s)→ (c) K₂HPO₄(s)→arrow_forward(a) What is the range of oxidation states shown by the ele-ments of Group 5A(15) as you move down the group? (b) How does this range illustrate the general rule for the range of oxida-tion states in groups on the right side of the periodic table?arrow_forward
- Write a balanced chemical equation for the reaction of an excess of oxygen with each of the following. Remember that oxygen is a strong oxidizing agent and tends to oxidize an element to its maximum oxidation state.(a) Mg(b) Rb(c) Ga(d) C2H2(e) COarrow_forwardIn aqueous solution, hydrogen sulfide reduces (a) Fe3 + toFe2+ , (b) Br2 to Br - , (c) MnO4- to Mn2 + , (d) HNO3 to NO2.In all cases, under appropriate conditions, the product iselemental sulfur. Write a balanced net ionic equation foreach reaction.arrow_forwardIn acidic solution, hydrogen peroxide reacts with Fe2+ to produce Fe3+ and H2O. Write a balanced equation for this reaction.arrow_forward
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