T Tina324 Full Member 10+ Year Member 15+ Year Member Joined May 7, 2008 Messages 198 Reaction score 0 Points 0 Pre-Dental Aug 28, 2008 #1 Advertisement - Members don't see this ad Which metal will react with HCl to release H2 gas? Pt,Au,Cu,Mg,Ag, answer is Mg because it is in group 2 and is more reactive? i don't understand what being in group 2 has to do with anything.
Advertisement - Members don't see this ad Which metal will react with HCl to release H2 gas? Pt,Au,Cu,Mg,Ag, answer is Mg because it is in group 2 and is more reactive? i don't understand what being in group 2 has to do with anything.
T tranv117 Full Member 10+ Year Member 15+ Year Member Joined Aug 3, 2008 Messages 272 Reaction score 6 Points 4,531 Location Berkeley Pre-Dental Aug 28, 2008 #2 Tina324 said: Which metal will react with HCl to release H2 gas? Pt,Au,Cu,Mg,Ag, answer is Mg because it is in group 2 and is more reactive? i don't understand what being in group 2 has to do with anything. Click to expand... Magnesium will be a 2+ cation reacting with two moles of HCl leaving MgCl2 and H2. Upvote 0 Downvote
Tina324 said: Which metal will react with HCl to release H2 gas? Pt,Au,Cu,Mg,Ag, answer is Mg because it is in group 2 and is more reactive? i don't understand what being in group 2 has to do with anything. Click to expand... Magnesium will be a 2+ cation reacting with two moles of HCl leaving MgCl2 and H2.
T Tina324 Full Member 10+ Year Member 15+ Year Member Joined May 7, 2008 Messages 198 Reaction score 0 Points 0 Pre-Dental Aug 28, 2008 #3 i understand that, but i don't understand why the other metals wouln't do the job either? =/ Upvote 0 Downvote
T tranv117 Full Member 10+ Year Member 15+ Year Member Joined Aug 3, 2008 Messages 272 Reaction score 6 Points 4,531 Location Berkeley Pre-Dental Aug 28, 2008 #4 Tina324 said: i understand that, but i don't understand why the other metals wouln't do the job either? =/ Click to expand... The other metals have different oxidation states ie. transition metals. Remember, it asks specifically for H2 gas. Upvote 0 Downvote
Tina324 said: i understand that, but i don't understand why the other metals wouln't do the job either? =/ Click to expand... The other metals have different oxidation states ie. transition metals. Remember, it asks specifically for H2 gas.
