EASY
JEE Main
IMPORTANT
Earn 100


Identify the incorrect statement from the options below for the above cell:
(a)If flow from to
(b)If dissolves at electrode and deposits at electrode
(c)If dissolves at anode and deposits at cathode
(d)If no flow of or current occurs

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Important Questions on Electrochemistry
EASY
JEE Main
IMPORTANT
Galvanization is applying a coating of:

MEDIUM
JEE Main
IMPORTANT
Match List - I with List - II :
List - I (Parameter) |
List - II (Unit) | ||
(a) | Cell constant | (i) | |
(b) | Molar conductivity | (ii) | Dimensionless |
(c) | Conductivity | (iii) | |
(d) | Degree of dissociation of electrolyte | (iv) |

MEDIUM
JEE Main
IMPORTANT
Consider the following cell reaction
The value of is at If the standard entropy change in is _________ . (Nearest integer)
[Given : Faraday constant ]

MEDIUM
JEE Main
IMPORTANT
An acidic solution of dichromate is electrolysed for minutes using A current. As per the following equation
The amount of obtained was . The efficiency of the process is (Take : , At. mass of chromium )

MEDIUM
JEE Main
IMPORTANT
Let and , be the conductances (in S) measured for saturated aqueous solutions of and respectively, at a temperature T. Which of the following is false?

HARD
JEE Main
IMPORTANT
The photoelectric current from Na (work function, ) is stopped by the output voltage of the cell
the of aq. required to stop the photoelectric current from , all other conditions remaining the same, is (to the nearest integer).
Given

EASY
JEE Main
IMPORTANT
Given
Among the following, the strongest reducing agent is:

EASY
JEE Main
IMPORTANT
For the cell the cell potential . For the cell the cell potential Find value of x (Round off the Nearest Integer).
[ Use ]
