Question
Chemistry Question on Some basic concepts of chemistry
12 g of Mg with excess of HCI at NTP gives
A
\ce11.2dm3ofH2
B
\ce22.4dm3ofH2
C
\ce5.6dm3ofH2
D
\ce15.6dm3ofH2
Answer
\ce11.2dm3ofH2
Explanation
Solution
Mg+2HCl−>MgCl2+H2
(24g) (2gor22.4dm3)
Thus, 12 g of Mg produces= 1 g
or 11.2 dm3H2