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Revision Quiz | Redox Reactions and Electrochemistry
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Question 1
In the lead-acid battery during charging, the cathode reaction is :
Question 2
A secondary cell is one
Question 3
Which one of the following represents Ostwald’s dilution law for a binary electrolyte
Question 4
The number of coulombs required to deposit 90g of Al is
Question 5
The value of reaction quotient (Q), for the following cell
Zn(s) |Zn2+(0.01 M)| | Ag+ (1.25 M) | Ag (s) is
Zn(s) |Zn2+(0.01 M)| | Ag+ (1.25 M) | Ag (s) is
Question 6
If an element A is placed in electrochemicals series above element B but below element C, then the order of oxidation power of elements
Question 7
What will be the cathode reaction for the following setup:
Question 8
Consider the following electrochemical cell:
Zn(s)+2Ag+(0.04 M)Zn2+(0.28 M)+2Ag(s)
If Ecell0=2.57 V, then e.m.f. of the cell at 298 K, is
Zn(s)+2Ag+(0.04 M)Zn2+(0.28 M)+2Ag(s)
If Ecell0=2.57 V, then e.m.f. of the cell at 298 K, is
Question 9
A variable, opposite external potential (Eext) is applied to the cell
, of potential 1.1 V. When Eext < 1.1 V and Eext> 1.1 V, respectively electrons flow from:
, of potential 1.1 V. When Eext < 1.1 V and Eext> 1.1 V, respectively electrons flow from:
Question 10
The standard reduction potential (Eo) for Fe3+ → Fe for the given reactions is
Question 11
In which of the following compounds, sulphur show maximum oxidation number?
Question 12
When I− is oxidized by in alkaline medium, I‑ converts into
Question 13
Which will liberate bromine from a solution of potassium bromide?
Question 14
What is the EAN of [Al(C4O4)3]3- ?
Question 15
The stable bivalency of Pb and trivalency of Bi is
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Mar 30JEE & BITSAT