Harris Chapter 15 Review 1 | Baamboozle - Baamboozle

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T/F pH electrodes sensitivity to H+ is not based on Redox reactions

False

True

Which one of the following is the strongest reducing agent

I-

F-

Cl-

Br-

The half-reaction that occurs at the anode during the electrolysis of molten sodium bromide is:

2 Br- <===>Br2 + 2 e-

Br2 + 2 e-<===> 2 Br-

Na <===> Na+ + e-

2 H2O <===> 2 OH- + H2

T/F - Ion selective electrodes are unaffected by color or turbidity of the solution

False

True

In voltaic cells, such as those diagrammed in your text, the salt bridge _______ .

allows charge balance to be maintained in the cell

is not necessary in order for the cell to work

acts as a mechanism to allow mechanical mixing of the soluti

is tightly plugged with firm agar gel through which ions can

Which of the following statements is FALSE?

Reduction occurs at the cathode.

Oxidation and reduction half-reactions occur at electrodes i

All voltaic (galvanic) cells involve the use of electricity

Oxidation occurs at the anode.

Which of the following is not the characteristic of ion selective electrodes

Simple to use

inexpensive

Operates in a wide range of temperatures

Narrow concentration range

In the standard notation for a voltaic cell, the double vertical line "||" represents:

a phase boundary

gas electrode

a standard hydrogen electrode

a salt bridge