What gas is released when acid added to a metal?
1 Answer
May 10, 2017
Depends on what acid and what metal...
Two acids that are often reacted with metals are
#"NO"_3^(-)(aq) + 4"H"^(+)(aq) + 3e^(-) -> "NO"(g) + 2"H"_2"O"(l)#
and the latter from the Standard Hydrogen Electrode
#2"H"^(+)(aq) + 2e^(-) -> "H"_2(g)# .
If and only if a reaction occurs, then either
But you must decide which acid you refer to...
CHALLENGE: Which of the following is dissolved by
#"Au"# #"Ag"# #"Fe"#