A layer of chromium metal 0.25 mm thick ...

A layer of chromium metal 0.25 mm thick is to be plated on an auto bumper with a total area of 032`m^2` from a solution cantaining `CrO_4^(2-)`? What current flow is required for this electroplating if the bumper is to be plated in 60s ? The density of chromium metal is 7.20g/`cm^3`

`4.9 xx10^3A`

`1.78xx10^3 A`

`5.3 xx10^4 A`

`10.69 xx10^6A`

Text Solution

Verified by Experts

The correct Answer is:

Topper's Solved these Questions

NTA NEET SET 82
NTA MOCK TESTS|Exercise CHEMISTRY|45 Videos
NTA NEET SET 84
NTA MOCK TESTS|Exercise CHEMISTRY|45 Videos

Similar Questions

Explore conceptually related problems

How many grams of copper could be plated out on a serving tray by electrolysis of a solution containing copper in +2 oxidation state for a period of 8.0 h at a current of 8.46 A? What is the area of the tray, if the thickness of the copper plating is 0.00254 cm? Density of copper is 10.5 g//cm^(3) .

How many grams of silver could be plated out on a serving tray by the electrolysis of a solution containing silver in +1 oxidation state of a period of 8.0h at a current of 8.46A ? What is the area of the ray, if the thickness of the silver plating is 0.0254 cm ? The density of silver is 10.5 g cm^(-3) .

How many grams of silver could be plated out on a serving tray by electrolysis of solution containing silver in +1 exidation state for a period of 8.0 hour at a current of 8.46 ampere ? What is the area of the tray if the thickness of silver plating is 0.00254cm ? Density of silver is 10.5g//cm^(3) .

How many grams of silver could be plated out on a serving tray be electrolysis of solution containing silver in +1 oxidation state for a period of 8.0 hour at a current of 8.46 ampere? What is the area of the tray if the thickness of the silver plating is 0.00254 cm ? Density of silver is 10.5 g//cm^(3) .

A metal plate of area 2m^2 is pulled horizontally with a velocity of 0.5m^-1 on a liquid layer 1mm thick. The force required, if the viscosity of liquid is 12Nsm^-2 is

Chromium metal can be plated out from an acidic solution containing CrO_(3) according to following equation, CrO_(3(aq.))+6H^(+)+6e rarr Cr_((s))+3H_(2)O Calculate : (i) How many gram of chromium will be plated out by 2400 columb ? (ii) How long will it take to place out 1.5g Cr by using 12.5 ampere current ?

NTA MOCK TESTS-NTA NEET SET 83-CHEMISTRY

Presence of peroxide in ethers of old stock can be tested by first tre...
Text Solution
|
A given mass of a gas expands from the state A to the state B by three...
Text Solution
|
MnO(4)^(-) ions can be reduced in strongly alkaline medium to give
Text Solution
|
A layer of chromium metal 0.25 mm thick is to be plated on an auto bum...
Text Solution
|
Hydrolysis constants of two salts K(hA) and K(hB) of weak acids HA and...
Text Solution
|
Artificial silk is a
Text Solution
|
The pKa values for the three acidic group P,Q,R are 4.3, 9.7 and 2.2 r...
Text Solution
|
Which can absorb large volume of hydrogen gas ?
Text Solution
|
A reaction ArarrB , involes following mechanism : Step1 : Aoverset(...
Text Solution
|
Which of the following statement is incorrect ?
Text Solution
|
Identify the final product (Z) in the following sequence of reaction. ...
Text Solution
|
Which of the following specie is diamagnetic in nature ?
Text Solution
|
Aromatic aldehydes in the presence of cyanide ion as catalyst, are con...
Text Solution
|
40% (w/v) of NaCl solution (specific gravity = 1.12) is equivalent to
Text Solution
|
Chromium is obtained by reducing connentrated chromite ore with :
Text Solution
|
Which of the following species must have maximum number of electrons i...
Text Solution
|
In the closest packing of is N atoms . There are
Text Solution
|
Match the List I with List II and select the correct answer using the ...
Text Solution
|
Consider the following statements: Phenyl diazonium salts form azo d...
Text Solution
|
If the E(cell)^(@) for a given reaction has a positive value, then whi...
Text Solution
|