Q. 54.2( 143 Votes )
Write word equations and then balanced equations for the reactions taking place when:
(a) dilute sulphuric acid reacts with zinc granules
(b) dilute hydrochloric acid reacts with magnesium ribbon
(c) dilute sulphuric acid reacts with aluminium powder
(d) dilute hydrochloric acid-reacts with iron filings
Answer :
(a) H2SO4 (aq) + Zn (s) → ZnSO4 (aq) + H2 (g)
(b) 2HCl (aq) + Mg(s)→ MgCl2 (aq) + H2(g)
(c) 3H2SO4 (aq) + 2Al (s) → Al2(SO4)3 (aq) + 3H2 (g)
(d) 6HCl (aq) +2Fe (s) → 2FeCl3(aq) +3H2(g)
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