Chapter 20, Problem 24
Complete and balance the following half-reactions in basic solution. In each case, indicate whether the half-reaction is an oxidation or a reduction.
a. OHβ(ππ)βΆO2(π)
b. SO32β(ππ)βΆSO42β(ππ)
c. N2(π)βΆNH3(π)
d. HO2β(ππ)βΆOHβ(ππ)
Video transcript
At 900 Β°C, titanium tetrachloride vapor reacts with molten magnesium metal to form solid titanium metal and molten magnesium chloride. (a) Write a balanced equation for this reaction.
Hydrazine 1N2H42 and dinitrogen tetroxide 1N2O42 form a self-igniting mixture that has been used as a rocket propellant. The reaction products are N2 and H2O. (c) Which substance serves as the reducing agent and which as the oxidizing agent?
Complete and balance the following half-reactions. In each case, indicate whether the half-reaction is an oxidation or a reduction. (b) TiO21s2 Β‘ Ti2+1aq2 (acidic solution)
Complete and balance the following half-reactions. In each case, indicate whether the half-reaction is an oxidation or a reduction. (f) SO32-1aq2 Β‘ SO42-1aq2 (basic solution)
Complete and balance the following half-reactions in basic solution. In each case, indicate whether the half-reaction is an oxidation or a reduction.
a. O2(π)βΆH2O(π)
b. Mn2+(ππ)βΆMnO2(π )
c. Cr(OH)3(π )βΆCrO42β(ππ)
d. N2H4(ππ)βΆN2(π)
Complete and balance the following half-reactions in basic solution. In each case, indicate whether the half-reaction is an oxidation or a reduction. c. Cr(OH)3(π )βΆCrO42β(ππ)