MyQuestionIcon

1

You visited us 1 times! Enjoying our articles? Unlock Full Access!

Electrochemical Cells, Galvanic Cells

How long it w...

Question

How long it will take for a current of 3 amperes to decompose 9g of water?

Open in App

Solution

$A c c o r d i n g t o F a r a d a y I l a w W = Z I t t = \frac{W}{Z I} W = 9 I = 3 a m p e r e Z = \frac{e q m a s s}{F} = \frac{9}{96500} S u b s t i t u t e t = \frac{W}{Z I} = \frac{9}{\frac{9}{96500} \times 3} = 32166.67 s e c = 8.94 h r s$

Suggest Corrections

thumbs-up

0

Similar questions

Q. How long will it take for 15% of a sample of

H_{2} O_{2}

Q. How long will it take for a uniform current of 6.0 ampere to deposit 78.0 g gold from a solution of

A u C l_{4}^{-}

?

Q. How long will it take for 85% of the sample to decompose ?

Q. The time required for a current of 3 ampere to decompose electrolytically 18 g of

H_{2} O

Q. How long will it take

5

ampere of current to deposit

2 g

of copper from a solution of copper suplhate?
(Given :

C E

= 32, F = 96500 c o u l o m b)

.

View More

Join BYJU'S Learning Program

similar_icon

Related Videos

lock

Electrochemical Cell

CHEMISTRY

Watch in App

explore_more_icon

Explore more

Electrochemical Cells, Galvanic Cells

Standard XII Chemistry

Join BYJU'S Learning Program

CrossIcon