Which of the following statements applies during the elec...
Which of the following statements applies during the electrolysis of sodium hydroxide solution using platinum electrodes?
Na+ ions are discharged at the cathode
Hydrogen ions are discharged at the cathode
the concentration of sodium hydroxide decrease at both electrode compartments
the concentration of sodium hydroxide increases at the cathode only
the concentration of sodium hydroxide increases at the anode only
Correct answer is B
Electrolysis of conc NaOH using platinum elcetrodes:
At the cathode, Hydrogen gas is evolved
at the anode, Oxygen gas is evolved.
Consider the reaction represented by the equation below: H2(g) + 12(s) ⇌ 2HI(g) ∆H negative. Whi...
What is the chemical symbol for Promethium? ...
What is the atomic number of Protactinium? ...
Ethene is prepared industrially by ...
Which of the following substances does not have van der Waals' forces? ...
When an atom gains an electron, it becomes properties ...
When X is heated with manganese (IV) oxide, oxygen is produced X is...