Multiple Choice
The standard cell potential (E°) of a voltaic cell constructed using the cell reaction below is 0.76 V:
Zn(s) + (aq) →
(aq) +
(g)
With = 1.0 atm and [
] = 1.0 mol L-1,the cell potential is 0.66 V.The concentration of
(aq) in the cathode compartment is ________ mol L-1.
A) 2.0 × 10-2
B) 4.2 × 10-4
C) 1.4 × 10-1
D) 4.9 × 101
E) 1.0 × 10-12
Correct Answer:

Verified
Correct Answer:
Verified
Q25: For the reaction: Mg(s)+ AgNO<sub>3</sub>(aq)→ Ag(s)+ Mg(NO<sub>3</sub>)<sub>2</sub>(aq)<br>Ag<sup>+</sup>(aq)+
Q26: The lithium-ion battery is based on:<br>A)Li<sup>+</sup>(aq)/Li(s)couple<br>B)Co<sup>3+</sup>(aq)/Co<sup>2+</sup>(aq)couple<br>C)Co(III)/Co(IV)couple<br>D)both Li<sup>+</sup>(aq)/Li(s)and
Q27: In the cell Pt(s)∣ Fe<sup>2+</sup>(aq)∣ Fe<sup>3+</sup>(aq) <img
Q28: What is the E<sub>cell</sub> for the following
Q29: The electrolysis of molten <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB5343/.jpg" alt="The
Q31: The active metal is called a sacrificial
Q32: A solution of AgNO<sub>3</sub>(aq)is electrolyzed by passing
Q33: In a zinc-lead cell the reaction is:<br>Pb<sup>2+</sup>(aq)+
Q34: Will magnesium metal displace Al<sup>3+</sup>(aq)ion from an
Q35: What is E<sub>cell</sub> at 25 °C of