Answer to Question #220162 in General Chemistry for Katie

Question

Which of the following is a reduction half-reaction?

A. Zn → Zn2+ + 2e−

B. Na → Na+ + 1e−

C. 2H+ + 2e− → H2

How much H2SO4 is needed to neutralize 1 liter of a 0.50M solution of NaOH ?

A. 0.25 mol

B. 0.50 mol

C. 1.0 mol

Which of these solutions is the most basic?

A.[H+]=1x10−4 M

B.[OH−]=1x10−4 M

C. [H+] = 1 x 10−14 M

Answer 1

1.C. 2H+ + 2e− → H2

2.B. 0.50 mol

3.B.[OH−]=1x10−4 M