Question
2Al(s)+6HCl(aq)➡️2AlCl3(aq)+3H2(g)
What are the oxidation numbers for elements on both sides of the equation? which element is being oxidized and which is being reduced?
What are the oxidation numbers for elements on both sides of the equation? which element is being oxidized and which is being reduced?
Answers
DrBob222
Al is zero on the left and 3+ on the right. Loss of 3 electrons/atom
H is 1+ on the left and 0 on the right. Gain of 1 electron/atom
Cl is 1- on the left and 1- on the right. No change.
Oxidation is the loss of electrons. Reduction is the gain of electrons.
H is 1+ on the left and 0 on the right. Gain of 1 electron/atom
Cl is 1- on the left and 1- on the right. No change.
Oxidation is the loss of electrons. Reduction is the gain of electrons.