What amount of electricity is required to deposit one mol...
What amount of electricity is required to deposit one mole of aluminium from a solution of AlCl3?
One Faraday
One ampere
Three Faradays
Three amperes
Correct answer is C
AlCl3 → Al3+ + 3Cl-
At cathode:
Al3+ + 3e- → Al
3 mole of electrons corresponds 3 F charge
So, required charge =3 F
The action of zinc on an acid produces ...
X + Y = Z is an equilibrium reaction. The addition of a catalyst? ...
The electronic configuration of an element is 1s2 2s2 2p6 3s2 3p3. Where is...
Which of the following is a neutral oxide?...
The process of extraction of iron from its ore is ...
The conductivity of an acid solution depends on the ...
Which of the following statements about solids is correct? ...