For what time must a currect of 2.5 Apas...

For what time must a currect of 2.5 Apass throgh zinc sulphate solution to de- posit 2 g of zinc ECE o fZn `=0.0003387 g C^(-1)`

Text Solution

Verified by Experts

The correct Answer is:

2362 s

Topper's Solved these Questions

CHEMICAL EFFECT OF CURRENT
SL ARORA|Exercise TYPE-B|5 Videos
CHEMICAL EFFECT OF CURRENT
SL ARORA|Exercise Problems From Competitive Examinations|1 Videos
CAPACITORS
SL ARORA|Exercise problem for self practive|65 Videos
CURRENT ELECTRICITY
SL ARORA|Exercise Problems For Self|101 Videos

Similar Questions

Explore conceptually related problems

A cell is prepared by dipping copper rod in 1 M copper sulphate solution and zinc rod in 1 M zinc sulphate solution. The standard reduction potential of copper and zin c are 0.34 V and - 0.76 V respectively. (i) What will be the cell reaction ? (ii) What will be the standard electromotive force of the cell ? (iii) Which electrode will be positive ?

Find the strengh of currect that deposited 0.777 g of matallic copper in half an hour in a copper voltameter .The atomic mass of copper is 63 and ECE of hydrogen is 0.00001036 g C^(-1)

Calculate the currect required to deposit 1 g copper in 30 minutes in a voltmeter contaning cupric sulphate . Atommic mass od slver =107.9 , atomic mass of copper =63.6 and ECE of silver =0.00118g C ^(-1)

Three electrolytic cells A, B and C containing solutions of zinc sulphate, silver nitrate and copper sulphate, respectively are connected in series. A steady current of 1.5 ampere was passed through them until 1.45 g of silver were deposited at the cathode of cell B. How long did the current flow? What mass of copper and what mass of zinc were deposited in the concerned cells? (Atomic masses of Ag = 108, Zn = 65.4, Cu = 63.5)

A currect of 0.2 A is passed throgh a silver voltameter for 3 hours and 20 minutes. Find the mass of silver liberated ECE of hydrogen =0.0000105 gC^(-1) ,chemical equivalent of hydrogen =1 and ECE and that for silver =108

Zinc blende (ZnS) is an important ore of zinc . What is the amount of sulphur present in 24.35 g of pure zinc blende ( Zn=65.4 , S=32)? How many moles of Zn atoms are present in 2.45xx10^(24) atoms of zinc ?

SL ARORA-CHEMICAL EFFECT OF CURRENT-TYPE -A

Electrochemical equivalent for copper is 3.2xx10^(-7) kg C^(-1) An ele...
Text Solution
|
A current o f1.5 A is passed through a silver voltameter for 35 minute...
Text Solution
|
How long will it take to deposit eleectrolyically voltsmeter127 g of c...
Text Solution
|
For what time must a currect of 2.5 Apass throgh zinc sulphate solutio...
Text Solution
|
How many grams of chorine can be produced by the eletrolysis of molten...
Text Solution
|
How long would it would it take a currect of 1.2 A to deosit a layer ...
Text Solution
|
A spoon having 10cm ^(2) area is to be electroplated with silver .Calc...
Text Solution
|
A metal surface of surface area 250 cm^(2) is to coated onboth sides w...
Text Solution
|
To deposit 0.5 kg of silver per hour on the cathode of a silver voltam...
Text Solution
|
A steady e,.m .f of 1.72 is maintaied across two platinum electrodes ...
Text Solution
|
A copper voltameter and an ammeter are connected in series with a batt...
Text Solution
|
In copper plateing experiment 6.35 g of copper is deposit in one and ...
Text Solution
|
In a copper voltameter , 0.593 g copper is depo0isted by a currect of ...
Text Solution
|
Asilver and a copper voltameter are connected in parallel across a 6 V...
Text Solution
|
It is desied 0.54 kg of silver per hour on the cathode of silver vol...
Text Solution
|
A currect passes through an a coil of wire 200 Omega immerseresed ina ...
Text Solution
|
Fig .7.2 Shown an eletrolyte AgCl through which current is passes it...
Text Solution
|