Question

Which difference is seen in following two reactions ?
(i) Mg + 2HCI → MgCl2 + H2 (ii) NaOH + HCI → NaCl + H2O

Answer 1

Answer:

first equation is a displacement reaction .

second equation is a double displacement reaction. and this second equation also can be said as a neutralization reaction.

Explanation:

i. metal+acid=salt+hydrogen gas

ii. strong base +strong acid = neutral salt + water.