The reactions that take place at the cathode and the anode when molten KF , CuCl 2 and MgI 2 are electrolyzed. Concept introduction: The non-spontaneous reaction takes place in an electrolytic cell in which there occurs conversion of electrical energy into chemical energy and this is used for the electrolysis of a metal. The electrolytic cell involves a cathode and an anode, both dipped into an electrolytic solution having both the positive and negative ions. To determine: The reactions that take place at the cathode and the anode when molten KF is electrolyzed. The reaction taking place at cathode is, K + + e − → K The reaction taking place at anode is, F − → 1 2 F 2 +e −
The reactions that take place at the cathode and the anode when molten KF , CuCl 2 and MgI 2 are electrolyzed. Concept introduction: The non-spontaneous reaction takes place in an electrolytic cell in which there occurs conversion of electrical energy into chemical energy and this is used for the electrolysis of a metal. The electrolytic cell involves a cathode and an anode, both dipped into an electrolytic solution having both the positive and negative ions. To determine: The reactions that take place at the cathode and the anode when molten KF is electrolyzed. The reaction taking place at cathode is, K + + e − → K The reaction taking place at anode is, F − → 1 2 F 2 +e −
Definition Definition Process of breaking down ionic compounds into their constituent elements by passing a direct electric current through the compound in a fluid state.
Chapter 18, Problem 110E
(a)
Interpretation Introduction
Interpretation:
The reactions that take place at the cathode and the anode when molten
KF,
CuCl2 and
MgI2 are electrolyzed.
Concept introduction:
The non-spontaneous reaction takes place in an electrolytic cell in which there occurs conversion of electrical energy into chemical energy and this is used for the electrolysis of a metal. The electrolytic cell involves a cathode and an anode, both dipped into an electrolytic solution having both the positive and negative ions.
To determine: The reactions that take place at the cathode and the anode when molten
KF is electrolyzed.
The reaction taking place at cathode is,
K++e−→K
The reaction taking place at anode is,
F−→12F2+e−
(b)
Interpretation Introduction
Interpretation:
The reactions that take place at the cathode and the anode when molten
KF,
CuCl2 and
MgI2 are electrolyzed.
Concept introduction:
The non-spontaneous reaction takes place in an electrolytic cell in which there occurs conversion of electrical energy into chemical energy and this is used for the electrolysis of a metal. The electrolytic cell involves a cathode and an anode, both dipped into an electrolytic solution having both the positive and negative ions.
To determine: The reactions that take place at the cathode and the anode when molten
CuCl2 is electrolyzed.
The reaction taking place at cathode is,
Cu2++2e−→Cu
The reaction taking place at anode is,
2Cl−→Cl2+2e−
(c)
Interpretation Introduction
Interpretation:
The reactions that take place at the cathode and the anode when molten
KF,
CuCl2 and
MgI2 are electrolyzed.
Concept introduction:
The non-spontaneous reaction takes place in an electrolytic cell in which there occurs conversion of electrical energy into chemical energy and this is used for the electrolysis of a metal. The electrolytic cell involves a cathode and an anode, both dipped into an electrolytic solution having both the positive and negative ions.
To determine: The reactions that take place at the cathode and the anode when molten
MgI2 is electrolyzed.
5. A buffer consists of 0.45 M NH, and 0.25 M NH-CI (PK of NH 474) Calculate the pH of the butter. Ans: 9.52
BAS
PH-9.26 +10g (10.95))
14-4.59
PH=4.52
6. To 500 ml of the buffer on #5 a 0.20 g of sample of NaOH was added
a Write the net ionic equation for the reaction which occurs
b. Should the pH of the solution increase or decrease sightly?
Calculate the pH of the buffer after the addition Ans: 9.54
Explain the inductive effect (+I and -I) in benzene derivatives.
The inductive effect (+I and -I) in benzene derivatives, does it guide ortho, meta or para?
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Author:Steven D. Gammon, Ebbing, Darrell Ebbing, Steven D., Darrell; Gammon, Darrell Ebbing; Steven D. Gammon, Darrell D.; Gammon, Ebbing; Steven D. Gammon; Darrell
Author:Steven D. Gammon, Ebbing, Darrell Ebbing, Steven D., Darrell; Gammon, Darrell Ebbing; Steven D. Gammon, Darrell D.; Gammon, Ebbing; Steven D. Gammon; Darrell