If 10.8 g of silver is deposited in a silver coulometer v...
If 10.8 g of silver is deposited in a silver coulometer volume of oxygen liberated is?
0.56 dm3
5.60 dm3
11.20 dm3
22.40 dm3
Correct answer is A
Ag+ + e-
H = 108 g Ag
= 0.11 10.8 Ag
4OH → O2 + 2H2O + 4e
4F ↔ 1mole O2
4F = 22.4 dm3 χ 0.1 = 0.56 dm3
In metallic colids, the forces of attraction are between the mobile valence electrons and ...
According to Charle's law, the volume of a gas becomes zero at ...
The gas that is liberated when iron is heated with concentrated tetraoxosulphate (VI)acid is ...
Exhaust fumes discharged from a smoky vehicle gradually become invisible as a result of ...
Chlorine gas is prepared in the laboratory by ...
What is the atomic number of Mendelevium? ...
Which of the following compounds crystallizes without water of crystallization? ...